Facebook launched birthday message recap videos last year to aggregate text wall posts from all your friends into something more visual, but now each friend can send a happy birthday video.

Stephen Colbert and his crew at The Late Show would like to sing "Happy Birthday" to you. (And you. And you!) Now, thanks to a federal judge's decision and the power of YouTube, they can.

When your ex uses your birthday as an excuse to reach out, is it really because he or she genuinely wants to wish you a happy birthday ... Whether it's a text or email, it's best to respond ...