At the last Search Insider Summit, John Yi from Facebook waxed poetic about how the web is "being rebuilt around people." John -- like his brethren at Zuck U -- points to the 1990s as the decade of Web browsing, the 2000s as the decade of searching, and the 2010s as the dawn of discovery. I know from personal experience that, beyond just spending more time engaged with social media, people are turning more and more to their social networks for information that used to be obtaining by searching. What video should I watch? What car should I buy? What …