At the end of last year, I reviewed BACtrack's police-grade Bluetooth mobile breathalyzer. I came away extremely impressed (and drunk), but it was quickly pointed out in the comments that $150 is pretty pricey for such a gadget. While the price has since dropped to $120, it's still out of many users' reach. Good news! Touch of Modern is selling it for $90 till August 3rd. That's a solid deal.

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