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You could have things overlaid on top of real life content in order to provide you assistance, hands free. For example, think about GPS turn by turn navigation while walking or having a recipe displayed while cooking it.

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Facial recognition is the killer app for me. Being able to keep track of people and their information would be amazing.

The problem is that people would really dislike that. It's even satirized in Snow Crash in an extremely unflattering portrayal of the kind of person who would routinely do this.

The first use case is negative for me, aszit would further increase my reliance on technology.

The second, yeah, maybe, if it was done incredibly well. but marginal benefit over an iPad or similar.

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