Among the plethora of shiny new Windows 7 PCs, laptops and netbooks bowing amid much ballyhoo in the last week are a handful of models with touchscreens. A gimmick, right? Touchscreens are fine for cellphones and maybe a tablet, but...

When Wolfram Alpha, a website devoted to providing direct answers to fact-based searches launched earlier this month, it was immediately and widely compared to two websites: Google and Cuil. Though some compared Wolfram Alpha to Google directly (and negatively), the...