How to avoid technology extinction
Betting on the wrong technology can really cost you money. If you had bought many books through the proprietary Nook system, you might lose them eventually. Farhad Manjoo (@fmanjoo) writes in the New York Times a good quick overview article on how to avoid this situation. He's recommending specific technology and media solutions, which can draw accusations of bias. I think he avoids that with good explanations, and you do have to buy something at the end of the day.
I had posted quick links to the article on twitter here and here, and on google+ here.
Bottom line - he suggests a four step approach: Buy Apple devices (they are simple and work well), Google services (mail, calendar, maps, browser, G+ to backup photos), Amazon media (you can look at Kindle stuff everywhere), and Cloud Connectors like Dropbox and Evernote (you can access all your data and notes everywhere - their business model depends on it);