Email is back! Earlier in the week I mentioned that one of the emerging themes in the monetization sessions at Blog World Expo was the idea of membership sites as a way to make an income from a blog. The other theme that emerged in a number of the sessions was that many bloggers were placing increased attention on the medium of email as a way to communicate with readers. Email is back! Actually email never really went awaybut its back on the radar of many bloggers after a swing over the last few