We can just about guarantee that no where else will a person mention their expertise with Quake and HalfLife gameplay, knowledge of object orientated programming, state that they own all of the O'Reillys (some in duplicate) and have the ability to write device drivers in their personals ad.» (agreaterdate.com)
Update 1: A user on the r / HalfLife Subreddit stumbled across a set of Black Mesa themed Steam Trading Cards, Profile Backgrounds and Chat Emoticons on the Steam profile of Black Mesa developer Josh Hubi. (lambdageneration.com)