Along with manufacturing issues, iWatch development has also been somewhat impacted by the loss of a key team member, Bryan James, who recently left Apple for Nest. James, who previously worked on iPods, was a member of the iWatch team.
Please Mac Rumors don't embarrass yourselves by stating this as fact, how the hell would you know what projects the guy was working on? Has he or Apple ever publicly stated he was working on the iWatch programme? If the iWatch exists.
Now, IF it exists, then I have no doubt it's being plagues with battery life issues, most likely because they are trying to stuff too much functionality onto it. Just stick solar charging or something into it.
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Like this smart watch?
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