Some people get tattoos as a mode of expression or to commemorate a loved one, while others sell their skin real estate to advertisers looking to garner attention. Buzzfeed interviewed several of these "human billboards" who sold advertising space on their arms, necks, and even faces to now-defunct web startups from the early 2000s like SaveMartha.com and GoldenPalace.com. To learn more about the trend of "skinvertising" and what drove these people to sell their bodies and in some cases even change their names, check out the full article at the source link below.