Apple, Samsung and Google are all rumored to be working on smartwatches. With all the buzz about these devices, it's hard to see the real use cases through the hype. Here are nine things we think any smartwatch worth its salt (and silicon) needs.
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9. They have to be as device- and service-neutral as possible.
If watches are auxiliary devices, they need to work with as broad a range of things as possible. Apple might be able to get away with introducing something that only works with iOS, but a company like Samsung would have a harder time expecting people to live with such lock-in.