> Google’s data on each visitor pales in comparison to Facebook. But how useful is Facebook's data really (serious question)? Apart from age, gender and maybe

> Google’s data on each visitor pales in comparison to Facebook. But how useful is Facebook's data really (serious question)? Apart from age, gender and maybe location (which is likely accurate). People like/share/become a fan of so much random stuff, things that don't tell you anything about what they might want to buy or actually be interested in. What do they learn when someone joins a group like "Can this pickle get more likes than Steven Harper" or "I hate when one string from my hoodie is longer than the other?" How many people keep their fan pages or interests up to date? When people have 1000+ "friends" how many of those connections actually mean anything? Let's ignore intent for a moment, how good is their targeting right now? Has an ad within Facebook ever been for for something that you are interested in (purchasing)? I'm not trying to say their data is useless, but I suspect there is more noise than anything else. Not to mention Google probably also knows your age, gender, location, didn't they used to require this information when you signed up for a Google account?