<A HREF="http://www.zdnet.com/zdnn/stories/news/0,4586,2569437,00.html?chkpt=zdhpnew">Sony</A> announced it is shifting from cellular phones to higher-end wireless devices capable of accessing the Web. In September they plan to sell a mobile device based on software it licensed last year from Palm, Inc. The unit will be able to send and receive email as well as digital images.