Smart Mobs: Scan This Book! Imagine the day when you 'll be able to load in a microsec. the full world library's 50 petabyte of content (32 million books, 750 million articles and essays, 25 million songs, 500 million images, 500,000 movies, 3 million videos, TV shows and short films and 100 billion public Web pages...) into your brain.... OR alternatively, for the backward folks (sic!), on their ipod... A hell of a headache !