Hundreds of vidfeed windows materialized in the air, all over the club. Each displayed a live close-up image of Og in the booth, so that everyone could see his avatar clearly. The old wizard was wearing baggy jeans, sandals, and a faded Star Trek: The Next Generation T-shirt. He waved to the assembled, then cued up his first track, a dance remix of "Rebel Yell" by Billy Idol.