Illinois,United States

The wobbly economy is perking up at least one Internet business: online coupons.

This winter, 38.6 million Americans will use online coupons, up 22 percent from the same period last year, says Simmons Market Research Bureau.

Online coupon services such as Coupons.com, RetailMeNot.com and CoolSavings.com offer coupon discounts on a range of products from Nintendo Wii to DVDs to food and toys.

A wireless affiliate of Sprint Nextel Corp. has pulled its request that an Illinois judge block the planned spinoff of Sprint's new broadband network.

Schaumburg, Ill.-based iPCS Inc. said Monday in a regulatory filing that it withdrew its motion for a temporary restraining order preventing Sprint's WiMax network from being combined with Kirkland, Wash.-based Clearwire Corp. The decision came after Clearwire said it didn't plan to offer high-speed wireless Internet service in iPCS's markets before July 1, 2009.

Nvidia on Tuesday announced a personal supercomputer that delivers the computing power of a cluster at 1/100th of the price and in the form of a standard desktop workstation. It is working with partners to release the GPU-based Tesla Personal Supercomputer.

Supercomputers, shared resources that consume hundreds of kilowatts of power and cost millions of dollars to build and maintain, are typically used to carry out scientific research. Nvidia is bringing this power to the desktop.