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First lady sends her first tweet

First lady Michelle Obama, whose staff has been harnessing the power of the internet and "tweetups" to promote exercise and support the armed forces, harnessed a little of the internet herself for the first time Wednesday.

According to the White House Blog, right before attending the opening game in this season's World Series between the St. Louis Cardinals and Texas Rangers, the first lady dispatched a tweet for the the first time tweeting from @JoiningForces:

"Military families serve our nation too. Let's all show our appreciation by #JoiningForces with them. Get involved: JoiningForces.gov- mo"

Mrs. Obama and Dr. Jill Biden attended the World Series in St. Louis to help dedicate the game to veterans and military spouses. This followed an event at Joint Base Langley-Eustis on Wednesday, where the first lady joined with President Obama to announce a private company initiative to employ 25,000 veterans and their spouses by 2013. 

The White House posted a video of the first lady's first tweet.

Right before Game One of the 2011 World Series in St. Louis, MO, First Lady Michelle Obama posts her first tweet from an official White House account. Watch the behind-the-scenes video and follow Joining Forces on Twitter: http://twitter.com/joiningforces