"If people used to buy PCs every four years and are now buying them every five years, that could...

|By:, SA News Editor

"If people used to buy PCs every four years and are now buying them every five years, that could lower PC sales by 20 percent over time," says Bernstein's Tony Sacconaghi, quoted in an NYT column discussing the lukewarm reception for Windows 8, which arrived as tablets were already pushing out replacement PC purchases. NPD believes U.S. retail Windows PC sales fell 13% Y/Y from the time of the Win. 8 launch to the first week of December, though that's better than a late-November estimate.