Public Parts By:"Jeff Jarvis" Published on 2011-09-27 by Simon and Schuster A visionary and optimistic thinker examines the tension between privacy and publicness that is transforming how we form communities, create identities, do business, and live our lives. Thanks to the internet, we now live—more and more—in public. More than 750 million people (and half of all Americans) use Facebook, where we share a billion times a day. The collective voice of Twitter echoes instantly 100 million times daily, from Tahrir Square to the Mall of America, on subjects that range from democratic reform to unfolding natural disasters to celebrity gossip. New tools let us share our photos, videos, purchases, knowledge, friendships, locations, and lives. Yet change brings fear, and many people—nostalgic for a more homogeneous mass culture and provoked by well-meaning advocates for privacy—despair that the internet and how we share there is making us dumber, crasser, distracted, and vulnerable t...