Why? Well, two big reasons. One, Facebook has metastasized to a size that rivals Google. And two, Facebook Connect has come into its own. People are sharing what they are reading, where they are going, and what they are doing, and the amplification of all that social intention is spreading across the web.

This is all part of the shift from static to real time search. Social is the fundamental element of that shift. What are YOU doing? What is on YOUR mind? Who do YOU want to SHARE it with?

Get the full story at John Battelle's Searchblog