The range of functions with ESNs and collaboration tools can stack up: blogs, comments and discussions, profiles, connections, recommendations, collaborative editing, wikis, file sharing, rating, tagging, groups, etc. Thats great for people used to diving into various social networks, but it can be overwhelming for many others. For starters, MWD suggests sticking to a few well-chosen features ... to avoid turning off a large subset of your audience on day one. This also opens the dialogue for whats working and what people might be interested in seeing and using next.