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Comment on Smartphone-based colorimetric determination of GHB and GBL in beveragesparent

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The app can use the accellerometer, and sound an alarm or contact wrist watch.

Muggers literally take phones physically from people; despite full knowledge the phone is being taken, and physical proximity to the person, they still get away. A watch notification that your phone is getting stolen is just gonna give you a nice view of them disappearing out the door of the bar.

The solution to date rape is not setting up your phone on a tripod in a bar.

I don't see how that would help in a typical busy, noisy club - the thief is simply going to grab the phone and disappear into the crowd. Plus, they can just turn the phone off.

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