Turning A Corner On Ad Investing?

On the heels of the $80 million investment in the advertising technology developer Turn here’s a snapshot of venture investment in the sector since 2009. 

At the height of investors’ interest in advertising-related technology companies, venture capitalists invested $2.17 billion into 377 companies in 2011. In 2012, the amount of capital commitment declined to $1.93 billion into 384 companies, and fell again last year to $1.52 billion in 331 companies, according to CrunchBase data.

So far this year investors have spent $147 million on nine advertising related startups, including the most recent financing for Turn, according to CrunchBase.