T-Mobile ad provokes renewed debate over 4G wireless - Computerworld http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNHeYv4xgYrD5jSEzsZQWM36IrkKWA&url=http://www.computerworld.com/s/article/9195020/T_Mobile_ad_provokes_renewed_debate_over_4G_wireless?taxonomyId%3D79