what % of the web use facebook? my mother and father both use online services (eg ebay) and have never heard of facebook - they've both rang me up and asked me

what % of the web use facebook? my mother and father both use online services (eg ebay) and have never heard of facebook - they've both rang me up and asked me how to share photos they took online. (I told them to use the me.com services, fwiw -- that'll be a huge competitor to "mom and pop" photo services)