The International DOTA 2 Interactive Compendium by Valve

Valve has introduced the International DOTA 2 Interactive Compendium, a virtual passport that keeps you up to date with The International.

The Interactive Compendium gives players unprecedented access to the tournament as it develops.

Here is what you can get for $10:

Compete with other fans for fun and bragging rights by predicting match outcomes and stats
Receive virtual item drops while watching matches
Best of all, have your say in assembling the 2013 All Star team: Vote for 10 of your favorite players from any team and the winners will play in a showmatch at The International.

Will you be joining the Interactive Compendium?