its like a StumbleUpon for Twitter, allowing you to “stumble across†links shared in your Twitter timeline, your Twitter favorites and your Twitter lists. What’s awesome about Tumbl.in is the same thing that drives StumbleUpon, the delight in finding something random in through a link you wouldn’t have clicked on otherwise. What sets it apart is the Twitter social graph curation and the ability to toggle through lists.
How To:
To check another shared link, just click the Tumbl.in logo and you will be redirected to a new twitter shared link.
Read More.
http://pinoygeeks.net/tumbl-in-stumble-across-links-shared-in-your-twitter-timeline/