Verizon's Uphill Data Push

Verizon Wireless says its fast data service is thriving, but some industry watchers say the vital signs are weak.

One thing seems clear: It can be hard to manage expectations when you are spending $1 billion in a year on a new Qualcomm(QCOM Quote)-developed technology that promises speedy, office-like Internet access over wireless broadband connections.

Verizon Wireless, jointly owned by Verizon(VZ Quote) and Vodafone (VOD Quote), has expanded its evolution data only, or EV-DO, network to more than 30 cities.

The company offers the service to laptop users for $80 a month. Phone subscribers can add Verizon's V Cast service, which gives them handset access to tiny TV clips, music-on-demand and video games, for $15 monthly. ...