There are tons of ways to transfer data from the real world to your phone, and QR codes are one of them. This nearly 30-year-old technology comes in clutch today, and it’s pretty simple to use.

Android and iOS both have built-in tools to easily open QR codes from screenshots.

Spread the loveRemember the early days of QR codes? They were these clunky, often ignored black-and-white squares that felt ...