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President Obama's tweet following his farewell address saw record numbersby Julia Boccagno

In the midst of packing his bags to leave the Oval Office, President Obama has passed another milestone. His tweet following his Tuesday night farewell address ranked as his most popular post on the POTUS account.

As of Wednesday evening, the tweet was favorited more than one million times and retweeted more than 620,000.

He included a line from his speech in the tweet.

As with other high-level politicians, President Obama traditionally signs off with "-bo" if the tweet was written by him. In this case, the tweet didn't include his initials. 

First Lady Michelle Obama signed off on a heartfelt tweet later in the evening.

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