45 million people send birthday wishes on Facebook each day — techcrunch.com

Roughly 1 in 30 Facebook users tells someone Happy Birthday each day, showing Facebook’s first major emergent behavior is still going strong. Now Facebook is equipping the 45 million people sending birthday wishes each day with some new features. Now instead of just posting a soulless “HBD” or “Happy Birthday!” on someone’s wall with no personal message, photo, memory, or anything that makes it feel sincere, you can post one of Facebook’s auto-generated, personalized birthday videos. Similar to the ones it shows on your friendversary with different people, the birthday video will show photos of you and the birthday boy/girl with stylized transitions.

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