If you're like me and about to take off for some holiday R&R, you may be hunting around for some good reading to bring with you. Now, these suggestions are not for you if you want something truly non-work-related. But on the chance that you're going to take at least one thoughtful piece of non-fiction with you as you recharge your batteries, here are some helpful suggestions, starting with three musts: Nick Bilton's "I Live in the Future...