Originally the Hugecity event app and it still has thousands of users from around the world.
You can see events from around you or anywhere in the world. You can see which event your friends are going to or which of your friends are going out. You can see all of the events you are attending, events you have being invited to and which events are your favorites.
Bands and artists like to post their work to their events. If any audio or video files have bene posted to the event, you can play them in the media tab.
Here is one of the first versions of the Hugecity app in action.