PhotoKast is a new iPhone app that lets you broadcast your photos and help others broadcast theirs. Post a photo from your camera or album and it will be sent to PhotoKast users in your area. If they like what they see, they can vote to send it on to others near them. The more people that like your photo, the faster and further it will spread throughout the world! Track the buzz generated by each of your pictures through comments and maps that show its popularity all over the world.