I too am very fond of FB - if you keep the privacy settings tight there really doesn't seem to be a problem. And, as I have said before, the last time this topic was aired, it was one of the ways in which greatnan's absence was noticed, and an aid to finding her. Alas, too late, but social media - including GN and MN played a very active part.
Twenty pounds ! What will you receive ?
and dogs that have gone missing and I am so glad that I applied it before Facebook got rid of it recently. 