Twitter Launches In-Stream Advertising

Beginning today, Twitter will begin placing ads in users' timelines according to Advertising Age. This is different than the already launched Promoted Tweet which resides in a "sticky" position at the top of people's streams. The new ads will scroll down people's timelines just like a regular tweet.

The product is first launching to 900,000 users of the HootSuite Twitter client before it rolls out to all clients and twitter.com. twitter will share ad revenue with HootSuite. Ads will be targeted based on the content of a person's timeline and the brands they follow.

Virgin, Starbucks and Red Bull will be among the product's newest advertisers.