Live from Facebook's 'see what we're building' event



"Graph Search"

"We are not indexing the web. We are indexing our map of the graph, which is really big and constantly changing. Almost a million new people every day. 240 billion photos. 1 billion people. 1 trillion connections"
 
Privacy huge issue as well.

-"To give you a sense of how much work this is, already today across all our data centers 10% of CPU capacity is spent computing privacy checks."