Foursquare's Rise to 6 Million Users [INFOGRAPHIC]

Shortly after CEO Dennis Crowley spoke at Europe's DLD conference Monday, Foursquare announced that more than 6 million people have registered a Foursquare account. In addition, the company released an infographic celebrating its impressive growth in 2010.

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The infographic highlights, among other things:

381,576,305 checkins were made in 2010.

A checkin has been made in every single country in the world, plus space.

North Korea was the last country to check in.

The Rally to Restore Sanity on October 30 was the biggest event of the year, with 30,525 checkins made in Washington, D.C. that day.

Food venues were the most popular checkin category in 2010; campuses were the least.

MTV, Bravo, the History Channel, Zagat and VH1 were the most popular brand pages.

California was the #1 state for gym checkins, relative to total checkins.