Mobile internet

Based on Sprint's improving average revenue per user for mobile data service and the growth rate of its subscriber base, Trefis has raised its outlook for the telecom giant.

About one-sixth of the world's population will have subscriptions to mobile-broadband service in five years as Internet-surfing smartphone owners will be joined by more people looking for portable broadband Internet service through their laptop computers and iPads, according to a report released yesterday.

The dirty little secret behind many new technologies is porn. From cinematography to video cassettes and the Internet, pornography has been a key driver of growth. Now, porn is showing up on mobile phones and it's relentlessly wearing down the wireless carrier's bandwidth. In Japan, where...