A proof-of-concept vending machine shows how we can dispense with cash for everyday purchases, skipping credit and debit cards altogether and going straight to electronic transfer.
The vending machine uses QR codes, PayPal, a smartphone camera and Twitter. And, to complete the geek-buzzword bingo checklist, the hardware is based in part on Arduino, an open source hardware platform.
“We’re experimenting with ways of taking PayPal payments beyond the web,” PayPal Labs’ Ray Tanaka said. At the PayPal X Innovate 2010 developers’ conference, he showed off a gumball machine that lets people use their smartphone to scan a barcode instead of fishing for change.
Tanaka and his team put together their gumball machine using an ordinary mechanical vending machine, an Arduino processor, a WiShield and a few other smartly chosen basic parts.
Scanning the QR barcode sets the gumball machine in motion. Then the customer gets a Twitter notification that their PayPal payment has gone through and how much they’ve been charged. On the merchant side, Tanaka showed off an instant payment-notification system using an LCD display.
Candy is cute and “gives good demo” (as Steve Jobs puts it), but I can easily imagine 101 even better uses for a simple electronic payment system like this where cash is short and speed is essential. Here’s a short list to get you started:
* parking garages
* public transit
* toll booths
* grocery checkout
* gas stations
In short, anywhere you need to be on the move and would rather not whip out your wallet.
From: Wired
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