The Rapid Rise of Social Advertising | MarketingHits |

You knew instinctively that the breakout popularity of social networks meant that ads were close behind. Advertisers go where the crowds are. But even those of you who have been following social for years might be surprised at how quickly social advertising has grown and flourished.

Some social networks, like MySpace, Facebook, and YouTube, had advertising built-in virtually at the time they launched. Some, like Twitter, resisted the pull to monetize and moved slowly (their progress led by other players like 140 Proof). Others, like Google+, still haven't plugged in the advertising machine.

Social Ads: a Timeline of Events