Game's being datamined to hell and back.
Lore for the heroes here: http://www.playdota.com/forums/540621/dota-2-hero-stories-pudge-hooking-tutorial/
Spell icons (including some hilarious placeholders): http://www.dota2.cyborgmatt.com/spellicons/
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Falcon Punch
http://www.youtube.com/watch?v=FFtw7qW7Vcw