A menu displayed outside Palace Cafe has a QR code for customers to pull up menus on their phone, a new tactic to reduce contact as restaurants reopen. Staff photo by Ian McNulty ...

Smartphone revolution, mobile app development industry boom and high mobile internet bandwidth consumption: there are the major aspects people and industry focusing upon these days. So, what is common ...

Now, when you walk in to many restaurants you'll find a QR code on tables or at the front door. Just by putting your phone’s camera over that code, the restaurants menu pops up.