Wireless Networking

Cablevision Systems Corp. on Tuesday said its third-quarter profit more than tripled as a sluggish economy didn't deter subscribers from signing up for its digital cable, Internet and phone plans in the face of aggressive competition from Verizon's fiber-optic FiOS TV service.

LOS ANGELES - Online music retailer Lala is preparing to launch an iPhone application that its co-founder says paves the way for the end of downloading songs in the MP3 format.

SAN FRANCISCO - Thirty years after revolutionizing portable music with the Walkman for playing cassette tapes, Sony is trying to master the digital media player with the X Series Walkman.