Working with Valve products, they are so god damn open. Api for a whole load of stuff, no serious attempts to lock down their non documented api/interfaces, gam

Working with Valve products, they are so god damn open. Api for a whole load of stuff, no serious attempts to lock down their non documented api/interfaces, games built on open technologies (all Dota network traffic is protobufs etc), and serious commitments to open source tech long term