Is Motorola bringing back the Razr?

Ahh, the Motorola Razr. Released in 2004, it became one of the most iconic gadgets of all-time and, until the iPhone, it was the world's best-selling cell phone. And it could be making a comeback. That is, if a new teaser from Motorola is to be believed. As spotted by Engadget, the teaser takes us back to the halcyon days of flip phones and high school. Replete with imagery of teenagers SMSing on their Razrs to the sounds of Boys Like Girls' 2006 emoscape, "The Great Escape" — if this ad d