TED Constructs Theater Within Ballroom Posted by VenuesNow Staff | Apr 4, 2014 | General The TED Conference built a 1,200-seat, reusable theater inside a ballroom for its 30th event To access this post, you must purchase Subscribe to VenuesNow – 1 Year, Subscribe to VenuesNow – 2 Years or Subscribe to VenuesNow – 3 Years. If you are already a member of VenuesNow, please login here: log in