diff --git a/Example/Classes/TestViewController.m b/Example/Classes/TestViewController.m
index 8970b2b..0ffacbd 100644
--- a/Example/Classes/TestViewController.m
+++ b/Example/Classes/TestViewController.m
@@ -106,7 +106,9 @@ - (void) twitterLoginViewController: (TwitterLoginViewController*) twitterLoginV
 
 - (void) twitterLoginViewController: (TwitterLoginViewController*) twitterLoginViewController didFailWithError: (NSError*) error
 {
+#ifndef NS_BLOCK_ASSERTIONS
 	NSLog(@"twitterLoginViewController: %@ didFailWithError: %@", self, error);
+#endif
 }
 
 #pragma mark -
diff --git a/Example/Test.xcodeproj/project.pbxproj b/Example/Test.xcodeproj/project.pbxproj
index 6c23b51..38e4df6 100644
--- a/Example/Test.xcodeproj/project.pbxproj
+++ b/Example/Test.xcodeproj/project.pbxproj
@@ -195,7 +195,14 @@
 			isa = PBXProject;
 			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "Test" */;
 			compatibilityVersion = "Xcode 3.1";
+			developmentRegion = English;
 			hasScannedForEncodings = 1;
+			knownRegions = (
+				English,
+				Japanese,
+				French,
+				German,
+			);
 			mainGroup = 29B97314FDCFA39411CA2CEA /* CustomTemplate */;
 			projectDirPath = "";
 			projectRoot = "";
diff --git a/Sources/TwitterAuthenticator.h b/Sources/TwitterAuthenticator.h
index 7ebea05..84e14da 100644
--- a/Sources/TwitterAuthenticator.h
+++ b/Sources/TwitterAuthenticator.h
@@ -36,17 +36,17 @@
 	TwitterConsumer* _consumer;
 	NSString* _username;
 	NSString* _password;
-	id<TwitterAuthenticatorDelegate> _delegate;
+	id<TwitterAuthenticatorDelegate> __unsafe_unretained _delegate;
   @private
     TwitterRequest* _twitterRequest;
 }
 
-@property (nonatomic,retain) TwitterConsumer* consumer;
+@property (nonatomic,strong) TwitterConsumer* consumer;
 
-@property (nonatomic,retain) NSString* username;
-@property (nonatomic,retain) NSString* password;
+@property (nonatomic,strong) NSString* username;
+@property (nonatomic,strong) NSString* password;
 
-@property (nonatomic,assign) id<TwitterAuthenticatorDelegate> delegate;
+@property (nonatomic,unsafe_unretained) id<TwitterAuthenticatorDelegate> delegate;
 
 - (void) authenticate;
 - (void) cancel;
diff --git a/Sources/TwitterAuthenticator.m b/Sources/TwitterAuthenticator.m
index 7ec1662..2fce721 100644
--- a/Sources/TwitterAuthenticator.m
+++ b/Sources/TwitterAuthenticator.m
@@ -41,27 +41,19 @@ - (id) init
 	return self;
 }
 
-- (void) dealloc
-{
-	[_twitterRequest release];
-	[_consumer release];
-	[_username release];
-	[_password release];
-	[super dealloc];
-}
 
 #pragma mark -
 
 - (NSString*) _formEncodeString: (NSString*) string
 {
-   NSString* encoded = (NSString*) CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef) string, NULL, CFSTR("!*'();:@&=+$,/?%#[]"), kCFStringEncodingUTF8);
-   return [encoded autorelease];
+   NSString* encoded = (__bridge_transfer NSString*) CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (__bridge CFStringRef) string, NULL, CFSTR("!*'();:@&=+$,/?%#[]"), kCFStringEncodingUTF8);
+   return encoded;
 }
 
 - (NSString*) _formDecodeString: (NSString*) string
 {
-	NSString* decoded = (NSString*) CFURLCreateStringByReplacingPercentEscapes(kCFAllocatorDefault, (CFStringRef) string, NULL);
-	return [decoded autorelease];
+	NSString* decoded = (__bridge_transfer NSString*) CFURLCreateStringByReplacingPercentEscapes(kCFAllocatorDefault, (__bridge CFStringRef) string, NULL);
+	return decoded;
 }
 
 #pragma mark -
@@ -91,7 +83,6 @@ - (void) authenticate
 - (void) cancel
 {
 	if (_twitterRequest != nil) {
-		[_twitterRequest release];
 		_twitterRequest = nil;
 	}
 }
@@ -102,7 +93,6 @@ - (void) twitterRequest: (TwitterRequest*) request didFailWithError: (NSError*)
 {
 	[_delegate twitterAuthenticator: self didFailWithError: error];
 	
-	[_twitterRequest release];
 	_twitterRequest = nil;
 }
 
@@ -110,9 +100,9 @@ - (void) twitterRequest:(TwitterRequest *)request didFinishLoadingData: (NSData*
 {
 	// Get the response data as a string
 	
-	NSString* response = [[[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding] autorelease];
+	NSString* response = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];
 	if (response == nil) {
-		response = [[[NSString alloc] initWithData: data encoding: NSASCIIStringEncoding] autorelease];
+		response = [[NSString alloc] initWithData: data encoding: NSASCIIStringEncoding];
 	}
 	
 	if (response == nil) {
@@ -141,7 +131,7 @@ - (void) twitterRequest:(TwitterRequest *)request didFinishLoadingData: (NSData*
 	NSString* tokenSecret = [parameters valueForKey: @"oauth_token_secret"];
 	
 	if (tokenValue != nil && tokenSecret != nil) {
-		TwitterToken* token = [[[TwitterToken alloc] initWithToken: tokenValue secret: tokenSecret] autorelease];
+		TwitterToken* token = [[TwitterToken alloc] initWithToken: tokenValue secret: tokenSecret];
 		[_delegate twitterAuthenticator: self didSucceedWithToken: token];
 	} else {
 		// TODO: Real error handling
@@ -150,7 +140,6 @@ - (void) twitterRequest:(TwitterRequest *)request didFinishLoadingData: (NSData*
 
 	// Release all our resources
 
-	[_twitterRequest release];
 	_twitterRequest = nil;
 }
 
diff --git a/Sources/TwitterComposeViewController.m b/Sources/TwitterComposeViewController.m
index 8a9282b..d46280d 100644
--- a/Sources/TwitterComposeViewController.m
+++ b/Sources/TwitterComposeViewController.m
@@ -120,8 +120,10 @@ - (void) _shortenLinks
 	
 	if (url != nil)
 	{
+#ifndef NS_BLOCK_ASSERTIONS
 		NSLog(@"Shortening link %@", [url absoluteString]);
-		
+#endif
+
 		URLShortener* shortener = [[URLShortener new] autorelease];
 		if (shortener != nil)
 		{
@@ -156,8 +158,10 @@ - (IBAction) close
 {
 	@try {
 		[_delegate twitterComposeViewControllerDidCancel: self];
+#ifndef NS_BLOCK_ASSERTIONS
 	} @catch (NSException* exception) {
 		NSLog(@"TwitterComposeViewController caught an unexpected exception while calling the delegate: %@", exception);
+#endif
 	}
 }
 
diff --git a/Sources/TwitterConsumer.h b/Sources/TwitterConsumer.h
index cf1b3d9..81ad967 100644
--- a/Sources/TwitterConsumer.h
+++ b/Sources/TwitterConsumer.h
@@ -19,11 +19,7 @@
 
 #import <Foundation/Foundation.h>
 
-@interface TwitterConsumer : NSObject {
-  @private
-	NSString* _key;
-	NSString* _secret;
-}
+@interface TwitterConsumer : NSObject
 
 @property (nonatomic,readonly) NSString* key;
 @property (nonatomic,readonly) NSString* secret;
diff --git a/Sources/TwitterConsumer.m b/Sources/TwitterConsumer.m
index 36f789a..af01787 100644
--- a/Sources/TwitterConsumer.m
+++ b/Sources/TwitterConsumer.m
@@ -28,17 +28,11 @@ @implementation TwitterConsumer
 - (id) initWithKey: (NSString*) key secret: (NSString*) secret
 {
 	if ((self = [super init]) != nil) {
-		_key = [key retain];
-		_secret = [secret retain];
+		_key = key;
+		_secret = secret;
 	}
 	return self;
 }
 
-- (void) dealloc
-{
-	[_key release];
-	[_secret release];
-	[super dealloc];
-}
 
 @end
\ No newline at end of file
diff --git a/Sources/TwitterLoginViewController.m b/Sources/TwitterLoginViewController.m
index 764e9fe..fff8b8a 100644
--- a/Sources/TwitterLoginViewController.m
+++ b/Sources/TwitterLoginViewController.m
@@ -128,17 +128,21 @@ - (BOOL) textFieldShouldReturn: (UITextField*) textField
 	if (textField == _usernameTextField) {
 		[_passwordTextField becomeFirstResponder];
 	}
-	
+
+#ifndef NS_BLOCK_ASSERTIONS
 	if (textField == _passwordTextField) {
 		NSLog(@"Logging in");
 	}
+#endif
 	
 	return YES;
 }
 
 - (void) updateLoginButton
 {
+#ifndef NS_BLOCK_ASSERTIONS
 	NSLog(@"Yay");
+#endif
 	self.navigationItem.rightBarButtonItem.enabled = ([_usernameTextField.text length] != 0 && [_passwordTextField.text length] != 0);
 }
 
@@ -146,7 +150,9 @@ - (void) updateLoginButton
 
 - (void) twitterAuthenticator: (TwitterAuthenticator*) twitterAuthenticator didFailWithError: (NSError*) error;
 {
+#ifndef NS_BLOCK_ASSERTIONS
 	NSLog(@"TwitterAuthenticatorViewController#twitterAuthenticator: %@ didFailWithError: %@", twitterAuthenticator, error);
+#endif
 
 	self.navigationItem.rightBarButtonItem.enabled = YES;
 	[self _showLoginForm];
@@ -157,7 +163,9 @@ - (void) twitterAuthenticator: (TwitterAuthenticator*) twitterAuthenticator didF
 
 - (void) twitterAuthenticator: (TwitterAuthenticator*) twitterAuthenticator didSucceedWithToken: (TwitterToken*) token
 {
+#ifndef NS_BLOCK_ASSERTIONS
 	NSLog(@"TwitterAuthenticatorViewController#twitterAuthenticator: %@ didSucceedWithToken: %@", twitterAuthenticator, token);
+#endif
 
 	self.navigationItem.rightBarButtonItem.enabled = YES;
 	[self _showLoginForm];
diff --git a/Sources/TwitterRequest.h b/Sources/TwitterRequest.h
index f003724..967190d 100644
--- a/Sources/TwitterRequest.h
+++ b/Sources/TwitterRequest.h
@@ -36,20 +36,20 @@
 	NSURL* _url;
 	NSURL* _realm;
 	NSString* _method;
-	id<TwitterRequestDelegate> _delegate;
+	id<TwitterRequestDelegate> __unsafe_unretained _delegate;
   @private
 	NSURLConnection* _connection;
 	NSMutableData* _data;
 	NSInteger _statusCode;
 }
 
-@property (nonatomic,retain) TwitterConsumer* twitterConsumer;
-@property (nonatomic,retain) NSDictionary* parameters;
-@property (nonatomic,retain) TwitterToken* token;
-@property (nonatomic,retain) NSString* method;
-@property (nonatomic,retain) NSURL* url;
-@property (nonatomic,retain) NSURL* realm;
-@property (nonatomic,assign) id<TwitterRequestDelegate> delegate;
+@property (nonatomic,strong) TwitterConsumer* twitterConsumer;
+@property (nonatomic,strong) NSDictionary* parameters;
+@property (nonatomic,strong) TwitterToken* token;
+@property (nonatomic,strong) NSString* method;
+@property (nonatomic,strong) NSURL* url;
+@property (nonatomic,strong) NSURL* realm;
+@property (nonatomic,unsafe_unretained) id<TwitterRequestDelegate> delegate;
 
 - (void) execute;
 - (void) cancel;
diff --git a/Sources/TwitterRequest.m b/Sources/TwitterRequest.m
index bf94517..21fc9c3 100644
--- a/Sources/TwitterRequest.m
+++ b/Sources/TwitterRequest.m
@@ -44,16 +44,12 @@ - (id) init
 	return self;
 }
 
-- (void) dealloc
-{
-	[super dealloc];
-}
 
 #pragma mark -
 
 - (NSString*) _generateTimestamp
 {
-	return [NSString stringWithFormat: @"%d", time(NULL)];
+	return [NSString stringWithFormat: @"%ld", time(NULL)];
 }
 
 - (NSString*) _generateNonce
@@ -62,18 +58,18 @@ - (NSString*) _generateNonce
 
 	CFUUIDRef uuid = CFUUIDCreate(nil);
 	if (uuid != NULL) {
-		nonce = (NSString*) CFUUIDCreateString(nil, uuid);
+		nonce = (__bridge_transfer NSString*) CFUUIDCreateString(nil, uuid);
 		CFRelease(uuid);
 	}
     
-    return [nonce autorelease];
+    return nonce;
 }
 
 - (NSString*) _formEncodeString: (NSString*) string
 {
-	NSString* encoded = (NSString*) CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
-		(CFStringRef) string, NULL, CFSTR("!*'();:@&=+$,/?%#[]"), kCFStringEncodingUTF8);
-	return [encoded autorelease];
+	NSString* encoded = (__bridge_transfer NSString*) CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
+		(__bridge CFStringRef) string, NULL, CFSTR("!*'();:@&=+$,/?%#[]"), kCFStringEncodingUTF8);
+	return encoded;
 }
 
 #pragma mark -
@@ -115,16 +111,19 @@ - (void) execute
 			[normalizedRequestParameters appendString: @"="];
 			[normalizedRequestParameters appendString: [self _formEncodeString: [parameters objectForKey: key]]];
 		}
-		
+#ifndef NS_BLOCK_ASSERTIONS
 		NSLog(@"XXX normalizedRequestParameters = %@", normalizedRequestParameters);
-		
+#endif
+
 		// Create the signature base string
 		
 		NSString* signatureBaseString = [NSString stringWithFormat: @"%@&%@&%@", _method,
 			[self _formEncodeString: [NSString stringWithFormat: @"%@://%@%@", [_url scheme], [_url host], [_url path]]],
 				[self _formEncodeString: normalizedRequestParameters]];
 
+#ifndef NS_BLOCK_ASSERTIONS
 		NSLog(@"XXX signatureBaseString = %@", signatureBaseString);
+#endif
 
 		// Create the secret
 		
@@ -136,8 +135,10 @@ - (void) execute
 			secret = [NSString stringWithFormat:@"%@&", [self _formEncodeString: _twitterConsumer.secret]];
 		}
 		
+#ifndef NS_BLOCK_ASSERTIONS
 		NSLog(@"XXX Secret = %@", secret);
-		
+#endif
+
 		// Set the signature parameter
 		
 		NSString* signatureString = [TwitterUtils encodeData:
@@ -157,9 +158,11 @@ - (void) execute
 			[normalizedRequestParameters appendString: @"="];
 			[normalizedRequestParameters appendString: [self _formEncodeString: [_parameters objectForKey: key]]];
 		}
-		
+
+#ifndef NS_BLOCK_ASSERTIONS
 		NSLog(@"XXX POST Data = %@", normalizedRequestParameters);
-		
+#endif
+
 		NSData* requestData = [normalizedRequestParameters dataUsingEncoding: NSUTF8StringEncoding];
 		
 		// Setup the Authorization header
@@ -191,9 +194,11 @@ - (void) execute
 			[authorization appendString: [self _formEncodeString: [authorizationParameters objectForKey: key]]];
 			[authorization appendString: @"\""];
 		}
-		
+
+#ifndef NS_BLOCK_ASSERTIONS
 		NSLog(@"Authorization: %@", authorization);
-		
+#endif
+
 		// Setup the request and connection
 
 		NSMutableURLRequest* request = [NSMutableURLRequest requestWithURL: _url
@@ -205,7 +210,7 @@ - (void) execute
         [request setValue: [NSString stringWithFormat: @"%d", [requestData length]] forHTTPHeaderField: @"Content-Length"];
         [request setValue: @"application/x-www-form-urlencoded" forHTTPHeaderField: @"Content-Type"];
 		
-		_connection = [[NSURLConnection connectionWithRequest: request delegate: self] retain];
+		_connection = [NSURLConnection connectionWithRequest: request delegate: self];
 	}
 }
 
@@ -213,7 +218,6 @@ - (void) cancel
 {
 	if (_connection != nil) {
 		[_connection cancel];
-		[_connection release];
 		_connection = nil;
 	}
 }
@@ -234,29 +238,27 @@ - (void) connection: (NSURLConnection*) connection didFailWithError: (NSError*)
 {
 	[_delegate twitterRequest: self didFailWithError: error];
 
-	[_connection release];
 	_connection = nil;
 	
-	[_data release];
 	_data = nil;
 }
 
 - (void) connectionDidFinishLoading: (NSURLConnection*) connection
 {
 	if (_statusCode != 200) {
+#ifndef NS_BLOCK_ASSERTIONS
 		NSLog(@"Request failed with status code %d", _statusCode);
-		NSString* response = [[[NSString alloc] initWithData: _data encoding: NSUTF8StringEncoding] autorelease];
+		NSString* response = [[NSString alloc] initWithData: _data encoding: NSUTF8StringEncoding];
 		NSLog(@"Response = %@", response);
-		// TODO: Real error handling
-		[_delegate twitterRequest: self didFailWithError: nil];
+#endif
+		// TODO: Add error message to userInfo?
+		[_delegate twitterRequest: self didFailWithError: [NSError errorWithDomain:@"TwitterRequestError" code:_statusCode userInfo:nil]];
 	} else {
 		[_delegate twitterRequest: self didFinishLoadingData: _data];
 	}
 	
-	[_connection release];
 	_connection = nil;
 	
-	[_data release];
 	_data = nil;
 }
 
diff --git a/Sources/TwitterToken.h b/Sources/TwitterToken.h
index bbf68ea..0385245 100644
--- a/Sources/TwitterToken.h
+++ b/Sources/TwitterToken.h
@@ -25,8 +25,8 @@
 	NSString* _secret;
 }
 
-@property (nonatomic,retain) NSString* token;
-@property (nonatomic,retain) NSString* secret;
+@property (nonatomic,strong) NSString* token;
+@property (nonatomic,strong) NSString* secret;
 
 - (id) initWithToken: (NSString*) token secret: (NSString*) secret;
 
diff --git a/Sources/TwitterToken.m b/Sources/TwitterToken.m
index 91e6fb6..755278e 100644
--- a/Sources/TwitterToken.m
+++ b/Sources/TwitterToken.m
@@ -32,26 +32,20 @@ @implementation TwitterToken
 - (id) initWithToken: (NSString*) token secret: (NSString*) secret
 {
 	if ((self = [super init]) != nil) {
-		_token = [token retain];
-		_secret = [secret retain];
+		_token = token;
+		_secret = secret;
 	}
 	return self;
 }
 
-- (void) dealloc
-{
-	[_token release];
-	[_secret release];
-	[super dealloc];
-}
 
 #pragma mark -
 
 - (id) initWithCoder: (NSCoder*) coder
 {
 	if ((self = [super init]) != nil) {
-		_token = [[coder decodeObjectForKey: @"token"] retain];
-		_secret = [[coder decodeObjectForKey: @"secret"] retain];
+		_token = [coder decodeObjectForKey: @"token"];
+		_secret = [coder decodeObjectForKey: @"secret"];
 	}
 	return self;
 }
@@ -62,11 +56,4 @@ - (void) encodeWithCoder: (NSCoder*) coder
     [coder encodeObject: _secret forKey: @"secret"];
 }
 
-#pragma mark -
-
-- (NSString*) description
-{
-	return [NSString stringWithFormat: @"<TwitterToken@0x%x token=%@ secret=%@>", self, _token, _secret];
-}
-
-@end
\ No newline at end of file
+@end
diff --git a/Sources/TwitterTweetPoster.h b/Sources/TwitterTweetPoster.h
index d59b827..d80213b 100644
--- a/Sources/TwitterTweetPoster.h
+++ b/Sources/TwitterTweetPoster.h
@@ -17,16 +17,16 @@
   @private
 	TwitterConsumer* _consumer;
 	TwitterToken* _token;
-	id<TwitterTweetPosterDelegate> _delegate;
+	id<TwitterTweetPosterDelegate> __unsafe_unretained _delegate;
 	NSString* _message;
   @private
 	TwitterRequest* _request;
 }
 
-@property (nonatomic,retain) TwitterConsumer* consumer;
-@property (nonatomic,retain) TwitterToken* token;
-@property (nonatomic,retain) id<TwitterTweetPosterDelegate> delegate;
-@property (nonatomic,retain) NSString* message;
+@property (nonatomic,strong) TwitterConsumer* consumer;
+@property (nonatomic,strong) TwitterToken* token;
+@property (nonatomic,unsafe_unretained) id<TwitterTweetPosterDelegate> delegate;
+@property (nonatomic,strong) NSString* message;
 
 - (void) execute;
 - (void) cancel;
diff --git a/Sources/TwitterTweetPoster.m b/Sources/TwitterTweetPoster.m
index eae1eb4..18a63f8 100644
--- a/Sources/TwitterTweetPoster.m
+++ b/Sources/TwitterTweetPoster.m
@@ -21,12 +21,6 @@ - (id) init
 	return self;
 }
 
-- (void) dealloc
-{
-	[_request release];
-	[_delegate release];
-	[super dealloc];
-}
 
 #pragma mark -
 
@@ -36,7 +30,7 @@ - (void) execute
 	{
 		_request = [TwitterRequest new];
 		if (_request != nil) {
-			_request.url = [NSURL URLWithString: @"http://api.twitter.com/1/statuses/update.xml"];
+			_request.url = [NSURL URLWithString: @"https://api.twitter.com/1/statuses/update.xml"];
 			_request.twitterConsumer = _consumer;
 			_request.token = _token;
 			_request.method = @"POST";
@@ -51,7 +45,6 @@ - (void) cancel
 {
 	if (_request != nil) {
 		[_request cancel];
-		[_request release];
 		_request = nil;
 	}
 }
@@ -68,4 +61,5 @@ - (void) twitterRequest:(TwitterRequest *)request didFinishLoadingData: (NSData*
 	[_delegate twitterTweetPosterDidSucceed: self];
 }
 
-@end
\ No newline at end of file
+@end
+