What do you mean by "locking people in"? I don't have gmail or youtube account, or picassa or any of that crap, but just use their search because it is orders o

What do you mean by "locking people in"? I don't have gmail or youtube account, or picassa or any of that crap, but just use their search because it is orders of magnitude more relevant than DDG for my queries. And I consider maps, scholar, patents to be part of the search.