
Microsoft launched <A HREF="http://www.eweek.com/article2/0,1895,2147438,00.asp?kc=EWKNLWMU062107STR5">a redesigned MSN portal optimized for mobile phones</A> on Sunday, stepping up its offering at a time when more powerful devices increase the demand for richer content on handsets.
U.S. mobile Internet use still represents only a fraction of computer-based Web usage, but technology heavyweights like Microsoft see increasingly powerful mobile phones and faster networks opening the door for new services and content.