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GTM OAuth Twitter update error
NSString *body = [NSString stringWithFormat: @"status=thisisatest"];
NSString *urlStr = @"http://api.twitter.com/1/statuses/update.json";
NSURL *url = [NSURL URLWithString:urlStr];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod:@"POST"];
[request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
[request setHTTPBody: [body dataUsingEncoding:NSUTF8StringEncoding]];
GTMHTTPFetcher* myFetcher = [GTMHTTPFetcher
                             fetcherWithRequest:request];
[myFetcher setAuthorizer: mAuth];
[myFetcher beginFetchWithCompletionHandler:^(NSData *retrievedData,
                                             NSError *error)
 {
     if (error != nil)
     {
         NSLog(@"POST error: %@", error);
     }
     else
     {
         NSDictionary *results = [[[[NSString alloc] initWithData:
                                    retrievedData encoding:NSUTF8StringEncoding] autorelease] JSONValue];
         NSLog(@"POST Successful: #%@ @ %@", [results objectForKey:
                                              @"id"], [results objectForKey: @"created_at"]);
     }
 }];