Data management: One oft-overlooked password best practice is, “never use your personal account for services or processes,” reports Sean McCown. “Now with Yukon, you’ve got even more reasons not to do that since you can setup proxies under your account.” The password nightmare. “If you don’t care about this because your environment is safe and you’re not in much danger of your account being used for evil, then at least consider this point and set yourself for success the next time you change your password.”Columnist’s corner: When a no-name company, such as aQuantive, gets bought by Microsoft for $6 billion and becomes worth more overnight than big-time brands (think Blockbuster and Wendy’s size), the financial aspects of the deal can get pretty confusing. Now, as IT pros you might not see the need to understand it all. “Bad mistake,” writes David Margulius in Cut through financial BS. “I guarantee that at some point as you rise through the ranks, you’ll run into some big-numbers decision that just doesn’t smell right.” Then what? “A skeptical, just-the-facts-ma’am, commonsense method of clearing the FUD so that you don’t get snookered by some VSIP (Very Self-Important Person),” otherwise known as fundamental analysis. In other words: when you do the simple math, the picture becomes a lot clearer. Video: DEMOfall ’07 is in full swing this week. The latest is Fusion-io pitching live. The CEO and CTO open with, of all things, a joke about disk-drives — but I’ll not spoil that. “Performance is what Fusion-io is all about. Performance-based storage,” says CEO Rick White. “Twenty years ago it took one hard drive to keep a server fed. Ten years ago it took 25-30 disk drives to keep a server fed. Today, 600 disk drives. This is why we’re seeing this huge explosion in SAN-based technologies and companies that are aggregating these disks.” Watch it here. Related: DEMOfall ’07: Collaboration, Web 2.0 startups take stage. Databases