Thumbs up for T-Mobile; thumbs down for Verizon and AT&T

Recent consumer surveys give T-Mobile high marks for service, but find that customers are increasingly unhappy with larger rivals AT&T and Verizon.
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    Related:
  • Consumer Electronics
  • Carriers
  • Mobile
  • Small and Medium Business
San Francisco journalist Bill Snyder writes frequently about business and technology. His work appears regularly in CIO.com and the publications of Stanford's Graduate School of Business and the Haas School of Business at the University of California at Berkeley. He welcomes your comments and suggestions.