- Launching company brand pages where people can sign up as fans and have that information fed out to their contacts
- Launching a service where people who shop at certain third party vendors can have that shopping information fed back as advertising to their contacts
- Launching a marketing research service that serves up all the collective information about brands and those who prefer/use them
The thing about trusted referrals from friends is, it's a noncommercializable phenomenon...and people these days are ever more suspicious of commercialized recommendations.
Plus, it's very Big Brother to be tracking what people do online and then broadcasting it to the world. I know kids these days don't want their privacy, but still. There's a limit.
The bottom line is: people get the information they need by Googling it and maybe clicking on Google's sponsored ads. They ignore the information you shove in their faces.
Bad move, FB.