[Embedded rich content on the web and official Twitter apps.][link]
>You’ve probably expanded Tweets before to play videos from YouTube or see photos from Instagram. Now, a diverse and growing group of new partners like the The Wall Street Journal, Breaking News, and TIME also deliver rich content inside Tweets containing a link to those websites.
Twitter is fast becoming an exercise on how to make money without being scumbags. Take note, Facebook.
[link]: http://blog.twitter.com/2012/06/experience-more-with-expanded-tweets.html “Twitter Blog: Experience more with expanded Tweets”