iPad is Fastest-Selling Gadget, Ever

According to Bernstein Research financial analyst Colin McGranahan, the iPad has now sold an estimate 8.5 million units and is a "runaway success," perhaps the consumer electronics gadget that has shown the fastest adoption, ever.

Information Week writer Paul McDougall also notes that the iPad is starting to have a measurable effect on PC sales. A recent research study by NPD found that 13 percent of iPad users would have purchased a PC if they hadn't been able to buy an iPad.

It's official: iPad now the all-time fastest-selling gadget