Historically, the rich memorialized their legacy by commissioning portrait paintings of themselves, which they displayed proudly above their mantles to mark of their conquest. Coco Chanel refused this inspired, arresting portrait of herself by Marie Laurencin, because it didn't provide the ego boost she sought.The...

 Live Streaming Schedule (NYC Time)Monday, April 2, 20129:00 AM - Caryn Marooney, vice president of technology communications, FacebookPRSA has asked me NOT to stream any sessions. But others at the conference are, so watch my twitter feed and I'll retweet their links.  Sorry....

The business model known as collaborative consumption -- where buyers and sellers trade without intermediaries through an online community marketplaces -- has been a homerun for Ebay and Craigslist.But a new breed of start-ups like AirBNB, which apply the same model to service industies, where...