Twitter for iOS updated in version 5.6: view Trends in hundreds of locations.

In addition of features like: real-time stories, pictures, videos, conversations, Follow people; Express yourself with photos, videos and comments, the new version 5.6 now allows you to invite friends to join Twitter from within the

app; brings improved playback of Vine videos and finally Replies to retweeted Tweets now include both the author and person who retweeted the Tweet.