Something that happens periodically while driving is white line fever, a.k.a. highway hypnosis. That’s when you get in a car, drive somewhere and completely forget the trip. The same thing can occur at the computer. You get on the internet, surf around for a few hours, but can’t remember a damn thing you did during that time. It happens to the best...

Very recently, Yahoo! announced it would limit some (keyword there) of its data retention to a sparse (and unheard of) 90 days. Privacy advocates have been screaming loudly for a very long time that web companies – particularly search engines – hold on to data that can personally identify an individual for far too long. The fact Yahoo has stepped up...