Kensington’s BungeeAir Wireless Security Tether is both a battery and insurance for the iPhone 4/4S. I have seen a lot of iPhone accessories that give battery power, but this is one that iPhone users really need to keep them from losing that precious Apple investment.

Apple is filthy rich. It sold four million phones in three days. It’s worth more than Exxon

The pundits were right again. The iPhone 4S was clearly a big mistake for Apple. Wait… You know the lame new iPhone 4S? The one that almost every tech writer called “disappointing,” or “not a real upgrade.” The iPhone that “only” added a great-seeming new camera, a way faster brain and a startlingly clever AI assistant?

Each week Ross Rubin contributes Switched On , a column about consumer technology. Nearly 25 years passed between Apple’s first foray into handheld electronics — the Newton MessagePad — and the far more successful iPhone. But while phones have replaced PDAs for all intents and purposes, few if any have tried to be what Newton really aspired to — an intelligent assistant that would seamlessly blend into your life. That has changed with Siri , the standout feature of iOS 5 on the iPhone 4S , which could aptly be described as a “personal digital assistant” if there weren’t so much baggage tied to that term.

The iPhone 4S’ Siri integration may be a potential game changer, but she’s not quite the world traveler some of us would like her to be. In fact, it seems she’s as lost outside of US borders as any unprepared tourist. Looking for a pub in London