Infographic showing web ad spending by presidential campaigns through March 2012.
Original ClickZ analysis: GOP spent less than half on digital ads through March.
Targeted Victory partners exclusively with one large online Hispanic data firm.
Party hopes corporate execs from ShareThis and Rockfish help it compete with Democrats in 2012.
Political analyst speaks with ClickZ about the web and this fall's election.
Romney spent far more online in 2011 than his GOP opponents.
Vevo said the event isn’t happening, but sources say advertisers have already bought sponsorships.
Also in Florida, Mitt Romney is attacking Newt Gingrich online.
In conjunction with the State of The Union address, group uses web ads and video to promote tourism.
Ron Paul is the only GOP candidate whose fans collectively don't count The Bible in their top non-political Facebook page likes.
Just as it did in Iowa, his campaign buys homepage of top newspaper site in conjunction with today's primary.
Still, Obama and the DNC are far outspending Republican presidential hopefuls.
Facebook ads and video push on key marriage equality issues that could spur 2012 voter activism.

June 6, 2012
1:00pm ET / 10:00am PT