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It doesn't seem long since the International 2013 happened however we are quickly catching up on the period of time where the invites and qualifiers are normally sent out for Dota 2's International event.
In last night's Dota 2 update the content analysis post uncovered a new divisions file which made a direct reference to four different high level divisions across the world for seeding at the International.
The file in question can be seen below.
The server regions were also broken down into the four divisions as the following: