Everything is an input device (fun with barcodes) [video]

Note how these folks are moving to the next slide using a barcode scanner. Like an absolute boss!

That reminds me of &quot;Ol&#x27; Bobby tables&quot;<p><a href="https:&#x2F;&#x2F;barcode.tec-it.com&#x2F;barcode.ashx?data=Robert%27)%3B+DROP+TABLE+students%3B+--&amp;code=Code128&amp;translate-esc=true" rel="nofollow">https:&#x2F;&#x2F;barcode.tec-it.com&#x2F;barcode.ashx?data=Robert%27)%3B+D...</a><p><a href="https:&#x2F;&#x2F;xkcd.com&#x2F;327&#x2F;" rel="nofollow">https:&#x2F;&#x2F;xkcd.com&#x2F;327&#x2F;</a>

Can&#x27;t wait to see equivalent NFC tricks misused at stores. Imagine doing an NFC which sends malicious instructions to your phone.

Any good videos&#x2F;blogs that explain how barcodes (1d and 2d) are read?