It would be interesting to find out what people (maybe your favorite director) from the movie industry like to watch themselves – what are their favorite movies.
A website and a database containing people from the film industry listing their favorite movies and why. You can search by the movie or by the person recommending it.
For the more technical marketers to easily and flexibility query the database.
Abstract such concepts demographic and psychographic data, history, statistical data, grouping, channels, funnels, conversion, etc., that are useful for marketers. Use these to create a higher level language for quickly and easily build complex queries in the realm of marketing.
Discover new songs you might like.
Software that has a huge lyrics database and suggests new song based on the lyrics of the songs you like.