At the same, Quora emerged as a giant in the Q&A field. In Quora, people are pushed to the front, facing directly with humans instead of machines. Although the search in Quora is still about topic, not people. It is in the right direction. Give people more incentives by promoting interaction and acknowledgement.
After Page enrolled as CEO, Google has cut off a lot of programs, including the famous Google Lab. Google need to be more focused to win in the social war with Facebook, and all the distractions need to be cleared away, including Aardvark.
Of course, it’s reasonable for the benefits of Google. My point is that if you really want to make your idea reality, just don’t sell yourself to a big company. It makes no sense to expect big company to make your idea reality. I don’t means they will surely not, but just don’t keep high expectation on that since they have more “important” things to do. Also don’t expect you can make your idea reality within a big company, you are forced to do more “important” things under that environment.