Thanks but no thanks: "But Facebook moves fast. It had been testing off-site web display ads, the first step to an ad network, on Zynga.com. Then a few weeks a

Thanks but no thanks: "But Facebook moves fast. It had been testing off-site web display ads, the first step to an ad network, on Zynga.com. Then a few weeks ago it revealed it would begin letting advertisers pay it to use its wealth of biographical and social data on us to better target ads shown on non-Facebook mobile sites and apps — essentially a Facebook mobile ad network."