However, advertisers won't necessarily care as long as most users tell most of the truth on their profiles--a site like Facebook would still allow
for the highest degree of targeting available to them. But the truth is, they won't know how effective the new advertising system (slated for release next week) is until they test it.
A greater concern will be the effectiveness of a user's so-called social graph. As one professor warns, older folks' personal networks won't necessarily reflect their real-life personal networks, because fewer of their friends and colleagues would use Facebook or MySpace, leaving advertisers with "a lot of irrelevant information."