Prolly an acqui-hire? I vaguely remember they had a friend sorting product for Facebook that was dead in the water once FB itself pushed features that were exactly like it.

Grats to the exit though.

Edit: Ah, more info here http://techcrunch.com/2011/11/10/google-acquires-katango-the...

Shameless plug: http://fellows-exp.com We're a team of scientists from INRIA working on automatic community detection and we launched this experiment at the beginning of the year, already seeing great results.

I find this mildly ironic that url is being hosted on AWS.

was auto grouping based on your friends information ever really that hard. You look at your friends info.. i see they have set location as "cityxyz" put them in list "cityxyz". These friends have employer "wxy" create list "wxy" and place people in this list. I mean with the amount of structured data that people provided on Facebook.. didn't seem like it was that complicated to me.