Valves up and coming documentary following 3 competitive Dota 2 players. Available March 19th for free, released along with the "free to play competitors pack"

Intense and humorous comeback made by the Radiant team

A useful website to find guides on hero's to learn about them before playing or as a guide to quickly pull up pre-round to know what to buy/skill up

Interesting statistics on Dota hero's, players, and items