> My first reaction was, why would Google need a CV from me, surely they > already know more about me than my mother does? Clearly they don't.
Of course they do! They just wanted you to confirm what they know about you. Who knows, maybe you lied when you posted a story on facebook where you told people that you once fought 15 terrorists from Mars - on a bus that would explode when going slower than 50mph - while saving a little girls life by performing open heart surgery with a steak knife and a paper clip...
