iPhone sales said to hit half-million

Opening weekend sales of iPhones may have reached 500,000, according to an analyst's estimate, as Apple's much anticipated product saw sales that lived up to and even exceeded its hype.

Piper Jaffray's Gene Munster released a report Sunday night estimating that the iPhone sales would reach that mark through the close of business Sunday. He had previously forecast first weekend sales of 200,000 of the device, which sells for either $499 or $599.