There are 230 million active users on Twitter! And those users post an average of 500 million Tweets every day. So, what are they talking about?

They talk about everything.

Yes, everything. From mobile apps to cars to scientific breakthroughs to news, and of course businesses and brands. We've got it all.

They're everywhere.

Twitter is used by people in nearly every country in the world and is available in more than 35 languages.

And they're on the move.

76% of Twitter users login via mobile devices.

They're also avid Retweeters.

The most retweeted Tweet of 2011 was a Promoted Tweet by Wendy's that raised $50,000 for foster children.

They want to hear from businesses.

According to a study by Compete, Twitter users follow six or more brands. These are the top reasons people give for following brands on Twitter: