This document discusses trends in online communication and how they are changing marketing, public relations, and perceptions. It notes that technologies are often overestimated in their short term effects but underestimated in long term effects. It provides examples of how people are consuming less and sharing more through marketplaces, and how this is enabling making and reusing of goods. Companies are also experimenting more and changing their businesses based on a small percentage of experiments. Communication is being shaped by analytics, automation, optimization, listening and targeting.