President Barack Obama and Mitt Romney haven't just maintained an online presence via carefully crafted Tumblrs, Facebook pages, and Twitter accounts — they've heavily populated the sidebars of your favorite websites.
In fact, according to Federal Election Commission, online ad spending for the 2012 presidential election increased 251 percent since the 2008 elections.
SF-based display ad shop ReTargeter.com
did the math and calculated how much Obama's online ad buy compared to Romney's It turns out that the Obama campaign didn't only spend twice as much as his opponent on online ads, but it spent more than what it cost to build the Lincoln Memorial (in 2012 dollars).
2012 boasted a $78 million online ad spend for the presidential election, compared to a $22.2 million in 2008.