Right, they don't care right now. We're in the infancy of the internet age. Once the culture matures, we may see more predators preying on this information at

Right, they don't care right now. We're in the infancy of the internet age. Once the culture matures, we may see more predators preying on this information at which point privacy will become a hot button topic (for a while). This could be con artists or the "facebook serial killer" or whatever. Also, the users that care about privacy (e.g. me) aren't on facebook...