If you think check-ins are a fad, you may want to think again. More than 380,000,000 checked-ins occurred in 2010 via Foursquare alone.

Foursquare has released a pretty neat infographic breaking down their membership statistics including some interesting caveats such as when movie theatre check-ins spiked, top venues worldwide and more.

Check out the entire infographic on the Foursquare blog here.