Best of the blogs: Even though the iPhone has been, albeit not easily, unshackled from AT&T Wireless Service, Tom Yager says it’s still a waste of money. “Following an exhaustive comparison of alternatives, I have overwhelming backing for my early conclusion that iPhone is vastly outmatched by several devices in its price class,” he writes in this Enterprise Mac post. Yager’s ultimate advice: Buy a real phone. From the feature well: Phrases such as “your boss is watching” and “you are your own worst enemy” naturally invoke those internal fear-raddled voices in most of us. “There are plenty of reasons to be, well, a little paranoid about the vulnerability of your data and the potential loss of your privacy,” asserts Dan Tynan in 10 reasons to be paranoid. Data privacy, while the latest and not-so-greatest concern these days, is hardly the only one of significance. Related: When it pays to be paranoid. Careers: In the denouement of an ongoing, and somewhat contentious, discussion Bob Lewis offers this last shot at tough CEOs. While readers, CEO-types among them, take issue with Lewis’ advice, he maintains that, “any CEO who makes the working environment a grist mill is, to my way of thinking, a poor leader. I also recognize that I have to make room for exceptions,” Lewis writes. “The world has a history of characters who are tough to work for but have enough other redeeming characteristics that it comes out okay in the end.” Video: Sony has created a so-called bio-battery that breaks down sugar to generate enough electricity to power a Walkman. “Sugar is naturally occurring so the technology could be the basis for an ecologically friendly energy source,” Martyn Williams reports. Watch it here. Technology Industry