By Emily Trube, 1080 KRLD | CBSDFW.COM

CHARLOTTE, NC (CBSDFW) – Twitter is big at the Democratic National Convention in Charlotte.  Through-out the convention sites, you see posters with the phrase “Keep Calm and Tweet #DNC2012”.

The social networking site now boasts 140 million users.

krld emily trube at dnc 101 DNC: Keep Calm And Tweet

DNC Photos

Senior Manager of Twitter’s Communication Team Rachel Horowitz says that about 40 percent of those users don’t tweet themselves.  Basically, they just like to watch – and there is plenty to see.  Searching the hashtag #DNC2012 will being up a stream of posts from delegates, politicians, protestors and folks behind the scenes.

Here’s more of my interview with Horowitz.

PLAY: Emily Trube talks with DNC social media manager Rachel Horowitz

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