This was Hillary Clinton's Twitter account last month.

This is her account this morning.

This is her account, now verified.

This was her first tweet, thanking Adam Smith and Stacy Lambe, the creators of the Texts from Hillary meme.
Thanks for the inspiration @ASmith83 & @Sllambe - I'll take it from here... #tweetsfromhillary
Hillary Clinton
@HillaryClinton
Thanks for the inspiration @ASmith83 & @Sllambe - I'll take it from here... #tweetsfromhillary
Former President Bill Clinton tweeted at her shortly after.
Does @Twitter have a family share plan? Great to be here with @HillaryClinton & @ChelseaClinton. Looking forward to #tweetsfromhillary.
Bill Clinton
@billclinton
Does @Twitter have a family share plan? Great to be here with @HillaryClinton & @ChelseaClinton. Looking forward to #tweetsfromhillary.