The Internet Movie Database (IMDB) is an online database of information related to films, television programs, actors, production crew personnel, video games and fictional characters featured in visual entertainment media. It is one of the most popular online entertainment destinations, with over 100 million unique users each month and a solid and rapidly growing mobile presence. IMDb was launched on October 17, 1990, and in 1998 was acquired by Amazon.com. As of August 14, 2012, IMDb had 2,280,354 films and 4,780,533 personalities in its database.
A free software license is a software license which grants recipients extensive rights to modify and redistribute, which would otherwise be prohibited by copyright law. To qualify as a free software license, the license must grant the rights described in The Free Software Definition or one of the similar definitions based on this.