"Drinks or info chummer, both cost. One costs cred and the other costs favors. Too much of the former will give you a killer hangover, and too much of the latter might just kill you altogether."
A bartender contact/info broker for the Shadowrun rpg setting, can be easily adapted to any cyberpunk or other high tech campaign.
The Water-Rift is a massive crater in the center of the desert, in the center of which sits a large, unfathomable machine that produces water. Thusly, it is a veritable paradise in the center of the burning desert, and a unique culture exists there.