DEAR MISS MANNERS: I used to frequent a coffee shop in the suburbs, where I would work on my laptop for a couple of hours before catching a train to the city. One day, as I was working, a man asked me ...

It's not just the ad companies, though: backpacks are one of the latest accessory categories to get a high dose of integrated technology. The best smart backpacks now come with everything from ...

Learn why laptop battery time estimates can vary, the factors that influence the accuracy of estimates, and how to make them reliable.