General Discussionwhat is this "MAJORS" everyone talking about ?

Valve sponsored tournaments, one each season, summer one is TI.

http://www.dota2.com/majors/?l=english

Basically its like CSGO format, its a sponsored tournament by valve, with the prize pool founded by valve.

Now, valve runs DAC too just like TI, but its possible that rest of the majors would be run by another organizations i.e. ESL