This document discusses various digital tools and trends related to social media usage. It notes that the average time spent on social networking sites in February 2010 was 5.5 hours, up from 3.5 hours the previous year. Facebook is the largest social network with over 400 million users. Flickr has more images (4.46 billion) than Facebook (2.5 billion per month). YouTube serves 1 billion videos per day. The document asks questions about digital presence and using mobile devices for content creation and sharing. It provides instructions for posting content to a Posterous blog using email.