How the labyrinth of light and dark lines called the ‘QR code’ actually works
The Quick Response (QR) code is a two-dimensional matrix barcode. It is a machine-readable optical label containing information on the locator, identifier or ...
Tag: Phone
Beware! You are being watched and heard everywhere every second
Your private chats are being read! Your private calls are being heard! You are under watch every second, everywhere. How do they sound? ...
