Urbster is a group sharing app that went live on the App Store last night. Urbster is a place where you can start groups based on pretty much anything and share your thoughts, experiences, and pics with them. You can keep your groups small, only inviting best friends or family. Or if you'd like, your groups can grow huge as your friends invite their friends.
Check it out at: urbster.com/iphone/app
Check it out at: urbster.com/iphone/app
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