Useful? In my case no. While I can see the benefit from not having to remove your phone from your pocket it lacks enough functionality to be completely useful. There is no ability to answer calls and with such small real estate for a screen, the usefulness of it is lost imo. Aside from that, they just are not attractive.
$150 for a watch that functions kind of like an iPod Nano, a Nike SportWatch. Useful?
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