Believe it or not, there are already more than 20 models of flat-panel LED LCD TVs with 4K resolution for sale in the US. Their prices are still high, but falling very fast. Here's how they stack up in mid-November.
Even with its minor imperfections, Google Shopper is a powerful app to have for comparison shopping and research, especially during the holidays.
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Big Blue is testing an app that identifies products on store shelves then lets customers sort them by price -- or lets the retailer steer purchasing with coupons.
Microsoft has launched a site pitting the specs of its Windows tablets against Apple's iPad.
French Web site Nowhereelse.fr is back with several more comparison shots -- this time of a fully assembled iPhone 5.
Most visor-mount speakerphones improve over your handset's built-in microphone. We put five head-to-head to find out which one sounds the best.
We put the Nissan Leaf, Ford Focus Electric, and the Mitsubishi i-MIEV side-by-side to see how these everyday EVs stack up.
Readers respond to a critique of Hewlett-Packard's product innovation. Some of the comments offer a strong counterpoint to arguments put forth in last week's post.