Internet giants like Facebook and Twitter want a slice of all that money spent on television ads. As more and more people watch their televisions while also browsing social networks and other internet services on smartphones and tablet computers, Facebook and Twitter are battling it out for at least a portion of the big-time TV-ad budgets wielded by the world’s biggest brands. If these brands are buying ads on your TV screen, the thinking goes, shouldn’t they be buying ads on your tablet too?

But it’s not just the internet giants who see an opportunity here. Today, on stage at WIRED’s BizCon conference in New York City, David Karp, founder of the microblogging site Tumblr, explained that his site offers a “second screen” experience for advertisers that’s superior to what they get from the likes of Facebook and Twitter. And he had the numbers to prove it.

According to Karp, while… [Read more on Wired]