“Yo, what’s your WiFi password?” It’s a question we’ve all asked, and answered, dozens of times. Happily, there appears to be a neat way around the issue, as an intrepid Reddit user recently made well ...

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, phone numbers, or even coupons. QR codes are found everywhere from ...

“扫码支付”、“扫码关注”、“扫码加好友”……“扫码”成了现在日常使用频率非常高的一个词汇。再加上突如其来的 ...