Twitter is testing a new potential money-making feature: Promoted Trends. The first promotion is “Toy Story 3″ from Disney’s Pixar.

Twitter, which allows advertisers to insert messages into users’ streams through a program called Promoted Tweets, is also exploring the idea of selling its trending feature, which highlights topics popular with its users.

The concept is simple: Advertisers insert their own trend to display on users’ home pages. A big yellow box alerts users that the topic is promoted, not organic. If you click on the link, it takes you to a search results page to see what people are saying about the film. Get the full story »