"Happy birthday Mr. Presidenet; here's to 50 years young -- VP"
With that, Vice President Joe Biden apparently dispatched his official birthday greeting to President Barack Obama, who celebrated turning 50 at the White House on Thursday.
The message was Retweeted, some with additional thoughts added, more than 100 times by other tweeps.
Vice President Biden signed on with his official Office of the Vice President Twitter account in early July.
Just over five dozen messages have been posted since then, commenting his work, travels, family, Congress, the President and the military.
