Every year, a number of tech companies drop serious coin, to the tune of almost $4 million, to secure a advertising in 30-second chunks during the most watched sporting event of the year, the Super Bowl. But as we've witnessed firsthand, dropping seven figures on a television commercial doesn’t necessarily guarantee it’ll air during the big game. Repeat offenders like GoDaddy and AshleyMadison.com know the feeling all to well. Yet somehow, it’s these same controversial ads that end up garnering more buzz and YouTube views than the approved ones, turning into viral smash hits come Monday morning. So as we head into NFL Super Bowl XLVII, we invite you to take a look back at the tech commercials that branded  "too hot for TV."

Related: The 25 Worst Tech Super Bowl Commercials of All Time