Also Steam acquired its user base in the first place by vendor lock-in on Quake mods. (Counter-Strike derived from Navy Seals Quake, Team Fortress was originally a Quake mod, and Half-Life is a Quake total conversion originally sold on a CD-ROM in a box.)
Also Steam acquired its user base in the first place by vendor lock-in on Quake mods. (Counter-Strike derived from Navy Seals Quake, Team Fortress was originally a Quake mod, and Half-Life is a Quake total conversion originally sold on a CD-ROM in a box.)