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barZapp allows servers to aim a smartphone at the barcode or magnetic strip on a driverrsquos license to verify the age and ID validity of a guest
<p> barZapp allows servers to aim a smartphone at the barcode or magnetic strip on a driver&rsquo;s license to verify the age and ID validity of a guest.</p>

3 tech tools to tune up your bar business

Beverage inventory, integrated tablet apps and underage drinking control are in the spotlight.

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