But it isn't 10 billion opinions, is it?
First of all, several dozen of those purchases are mine. You need to first establish how many purchasers your average purchaser makes. Yeah, its still a lot of buyers, but its not 10 billion.
None of those purchases I've made can be taken as an "Endorsement" that I think its well designed - it means on this occasion I managed to find something I want.. But how much could I want that I simply don't know is there?
Just like when I...