One of the most compelling things about AirBnB is the gorgeous photos of all those unique places. I don't know how they get them. Do they just have lots of hosts with amazing photography skills or do they send people out to take pictures?
As a photographer, however, I can attest that there is a market for people looking to pay to have a better Facebook/LinkedIn/Dating-Site profile photo.
"Internet Disease means displaying old, faded, blurred or otherwise non-descript photographs of oneself, taken with bad lighting and at awkward angles" - in order to hide obesity and acne. I'd give a link to the encyclopedia dramatica definition of it if it were not for the popups on that page.