"Ruggedly strong men that could go backpacking this weekend if they wanted but can also sit at a laptop all day coding or researching the interweb's most pressing cat videos." (urbandictionary.com 10/07/15)
Snapchat famously turned down a multi-billion dollar offer from Facebook, so it should be no surprise that others are trying to cash in on its blink-and-you'll-miss-it model.
Health and fitness apps are on the up whether to track your exercise, diet or sleep patterns to optimise your performance. However these latest examples are applying big data best practice to previously untapped bodily functions: