So, some of the first solid info on HL2: Episode Three... sign language will be implemented into the game :| Well, it's a start. Alyx apparently liked a deaf guy, and taught DOG the language also. Hit the source for full info.

Valve's Gabe Newell appears to have recently conducted a focus group with deaf individuals in order to learn more about sign language and how it can be applied to games, notably the upcoming Half-Life 2: Episode 3. Why? To help develop Alyx's character, and further the animation technology implemented in the Half-Life games

xtremepokemontrainer via joystiq.com »