But their data is freely available: http://www.imdb.com/interfaces http://www.imdb.com/interfaces It probably wouldn't be a good idea, without massive amounts

But their data is freely available: http://www.imdb.com/interfaces http://www.imdb.com/interfaces It probably wouldn't be a good idea, without massive amounts of resources (i.e Jason-Calacanis-mahalo-style), to try to recreate the data. Creating mashups with their data seems more reasonable. But can you build a startup out of it?