It goes well with Schibsted Grotesk, Dosis, Changa One, Open Sans, Clear Sans and Arial. If you're thinking about using Exo then try 40px for headers.
People commonly tag it as game, tech, travel, sci fi, vc, investment, airline, gaming, space and technology. You can get it from Font Squirrel and Google Web Fonts.
In action 6 Exo samples
