Your Visitors can follow others, mark Tweets as Favourites, Reply to tweets and check out Twitter Profiles all without leaving your site. All links open in a new Window so you retain your sites traffic. Each Item can have its own Unique Twitter Stream and/or a Global twitter Stream across all Items, so there is a lot of freedom there.
All tweets and Retweets made from the Super Tweets, post links back to your site from Twitter . There are many search terms you can use, see them all here http://www.herdboy.com/team-blog/item/super-tweets-for-zoo-2 .