His campaign was blighted by multiple visits to the stewards' office and a highly-publicized spat with Ferrari's Brazilian driver Felipe Massa, and he had a high-profile split with pop star girlfriend Nicole Scherzinger.

CNN: New car gives McLaren confidence to end Red Bull dominance

So although the chances of seeing a standard banner ad pop up on your Facebook mobile profile are extremely slim, the revenue potential is extremely large.

FORBES: 5 Ways Facebook Will Turn Mobile Risk into Reward

Forbes sifted through news reports, foreclosure filings and property listings to uncover a dozen examples of high-profile homeowners, from pop stars to pro athletes, who face foreclosure or have at some point in the past year.

FORBES: Foreclosure Woes Of The Rich And Famous

Estimates of how many users elect to share their full profile data when asked to do so by a pop-up warning vary between about 5% and 50%.

FORBES: Technology

There are also a number of high-profile Twitter users in Korea, from the president to pop star Kim Hee-chul.

FORBES: Twitter Hits Nearly 200M Accounts, 110M Tweets Per Day, Focuses On Global Expansion