President Barack Obama turned 53 today, a milestone well marked on social media.
A tweet from the President's official account urged the world to send him a birthday message by signing an e-card.
According to media reports, the idea was conceived by Organizing for Action, which has been tweeting about the card since last week. OFA and OFA California tweeted out birthday wishes to Obama, as did a a number of California lawmakers.
Here's what they had to say in 140 characters or less.