Comment on Ask HN: If you would launch a website in 4 hours, what would it be?parentComments−nwh13yHere's a physical one — http://hackaday.com/2012/10/29/qr-clock-is-unreadable-by-hum...
Comments
Here's a physical one — http://hackaday.com/2012/10/29/qr-clock-is-unreadable-by-hum...