The smartwatch age looms on the horizon. While a few wrist-worn wearables have already found some success_in the market, it’s the long-awaited efforts by Google and Apple that have captured the imagination. Android Wear will be at Google’s I/O conference_and, according to the latest reports, Apple will launch its first smartwatch in the fall. The future of the new form factor depends on software. Skeptics still question what the “killer app” for a smartwatch could and should be; Evernote is already experimenting with its own note-taking service to find the answer. “There is a phrase ‘context is the new search’...

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