Katango Acquired by Google
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Grats to the exit though.
Edit: Ah, more info here http://techcrunch.com/2011/11/10/google-acquires-katango-the...
I bet the reason why google bought them is to apply their work to google+ and to compete with Facebook, which is where FB is lacking.
Look at the lists closely. Not everyone who went to your school is included in those lists
What you are seeing is what they want to show you. The AI happening in the backend is really complex. But of course, you don't have to believe everything I say. You should check out the background of those 3 co-founders. They are all AI guys, and they are not likely to want to solve simple problems.