All Users Will See Promoted Tweets in Their Timelines by Q4

Think you’re one of the lucky ones who hasn’t seen a promoted tweet in your timeline yet? Well count your blessings quick, because you’ll start seeing them by the end of the year.

Promoted Tweets began appearing in search results for certain hashtags and keywords on Twitter.com in April 2010. They were then attached to Promoted Trends, so that an advertiser’s tweet would appear as the first result when someone clicked through or searched for that trend.