Jerry
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Welcome! (start here)
Permission Marketing
Messages Must Be
Personal
Fun
Entertainment
Interactive Media and Entertainment
Games
Game Developers
Valve Software (1996)
Attachments
Valve
Parents
Game Developers
Children
Counter-Strike
Gabe Newell
Half-Life
Left for Dead (L4D)
Mike Harrington
Portal (2007 video game)
Portal 2 (2011)
Ready For Change (xlnt)
Steam (2003)
Steam Machine (2014)
Team Fortress 2
The Nightmare of Valve’s self-organizing “utopia”
Valve Corporation
Valve's Handbook for New Employees (pdf 2012)