Keep track of the films and TV show episodes you have seen. Follow shows and have your own TV calendar, and never forget your favourite TV show episodes.
Flixster - Share movie reviews and ratings with friends.
Simkl - Simkl is a TV, anime, and movie tracker that keeps a history of all the shows and movies you watch in one, central location. It’s a mobile app, a website, Google Chrome extension to keep track of everything you watch and integrates with many TV apps
PriceCute - Keep up with your competition's pricing on Amazon
IMDb - Internet Movie Database
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Trakt.tv - Automatically track TV shows & movies you're watching.