There's a common misconception that a plan to open up more unlicensed, unmanaged spectrum will mean free Wi-Fi for all. Expect a lot of wonderful things, including competition for cellular carriers, but not for free.
A new Windows 8 program claims to "optimize memory," implying a performance boost, but what it actually does - flushing the disk cache - is likely to degrade performance significantly. It evokes the memory of the greatest Windows utility scam of all time.
Dropbox users can set their account to require a second authentication code when accessed from an untrusted computer. The code can be obtained via SMS text message from Dropbox or through a mobile app on available for iOS, Android, Blackberry and Windows Phone 7.