Lollapalooza took place in Chicago last weekend, but if you were unable to make it to the Windy City to see the likes of Radiohead, Rage Against the Machine, and Bloc Party, festival organizers created several ways for you to hear and see what happened at the event.

Visitors to the official Web site can watch clips from the concerts, and even upload their own videos to share with other fans. An online forum is still active, with ...