Swarm, the new app from Foursquare, is the fastest way to keep up and meet up with your friends. With Swarm, you can easily see who’s out nearby and who wants to hang out later. - Want to meet up with friends? Quickly open up the app to see who is out nearby. - Want to share what you’re doing? Checking in is faster and more fun than ever. - Got an idea for something fun to do? Easily message all of your nearby friends. Get started with Swarm now!