The watch looked a little big on my small wrist, but was significantly less bulky than the inPulse, a previous smartwatch effort by Migicovsky's team.

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Coming in a close second was Verizon with their Inpulse service, scoring 736, followed by T-Mobile, Boost Mobile, and TracFone, while Cingular's GoFone and Alltel both scored under the average of 717.

ENGADGET: Virgin Mobile takes top prepaid honors in J.D. Powers survey