Yes, it is censorship, I agree. But don't you think they have a right to excluse what they want from their engine? It is theirs after all. I see it as not a big deal. Even though they are technically censoring, they do it for a reason. Competition, they dont want you to go to another search engine, they want you to stay in theirs. It would be like the Cocoa Cola company including coupons in every 6 pack of Coke that give you a free Pepsi. They dont want you to have Pepsi, they want you to drink coke, its the same idea. It's all about competition.