Googling facebook is how many people access it and other things. That will probably correlate more to a older and less savvy audience, but should still give a decent proxy in terms of popularity of the web property.
What it _doesn't_ take into account is mobile app usage, which might have been what sucked in all those people vs just total loss.
What it _doesn't_ take into account is mobile app usage, which might have been what sucked in all those people vs just total loss.