Telegram rolls out QR code scanner, NFT gifting options and more The new Telegram update also brings a message search filter feature. It lets users quickly find messages from any of the chats. DH Web ...

A QR Code scan is like a raised hand in a crowded room. It's voluntary, visible, and tells you exactly who's interested. Compare that to website cookies, which are more like secretly following someone ...

What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...