It read "Merry Christmas." But while most are entering their prime at age 20, the text message might just be past its glory years. The History -- In More Than 160 Characters ...

For those who observe Christmas, the fundamental aspect of the holiday is that it’s a birthday. But for many people whose birthday fall on Dec. 25, it’s not always a happy experience.

Merry Christmas, but don't forget the birthday card. Sheldon Zoldan. ... They understand what it's like to receive a Christmas card that includes a scrawled P.S. "Happy birthday" acknowledgement.