The phrase "Massive Open Online Course" (MOOC) describes this model.
Australian Open | French Open | Open University | open source | Massive Attack | U.S. Open | Wacken Open Air | The Open Championship | online | U.S. Open (tennis) | All England Open Badminton Championships | U.S. Open (golf) | Open Source | Open-pit mining | 2006 Australian Open | Open Software Foundation | Indira Gandhi National Open University | Stop Online Piracy Act | Lamar Hunt U.S. Open Cup | 2005 Australian Open – Men's Singles | U.S. Women's Open | open access | Gerry Weber Open | World Championship of Online Poker | Toontown Online | Swedish Open | Rhapsody (online music service) | Online game | Online chat | Massively multiplayer online game |