You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.
The Times of India's 'Hack of the Day' series offers a simple solution for signing and scanning documents using just your ...
Gadget Review on MSN
How to Scan Car Fault Codes by Cell Phone (And Save $100 on a Mechanic)
Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes ...
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