Twitter dives into social-media fueled shopping with a Buy button that lets consumers purchase goods without leaving its site.

By Alexei Oreskovic SAN FRANCISCO (Reuters) – Twitpic, an early online service that allows Internet users to share photos on the Twitter Inc social network, is shutting down due to what it said were legal threats from Twitter. The dispute revolves around Twitpics effort to have its name approved as a trademark, which Twitter appears […]

(Reuters) – Twitter Inc is testing a buy button in some tweets that allows a mobile user to buy directly from a tweet. A small percentage of U.S. users will be able to see the buy button from Monday, Twitter wrote in a blog post. (http://bit.ly/1usnbBG) Users will get access to offers and merchandise they […]