Web 2.0 technologies have facilitated our capacity to interact with each other and with the marketers of the products we use. Are we enabled or brand slaves?
Facebook is so yesterday! I think this one is especially interesting in light of the Alexa rankings quoted in the OCLC Report from 2007. MySpace was incredibly popular...once.
MIT's Alex Pentland has some interesting things to say about Trust Networks (such as those of banking organisations) and how they might provide better security and protection of privacy in social media environments.