So surely by now you’ve most likely seen those square usually black and white checkered boxes which look like crossword puzzles. They are known as QR Codes (Quick Response). You should be able to easily spot them since they’re popping up everywhere. You can find them on newspaper ads, magazine ads, they’re displayed on T-shirts, coffee mugs, sidewalk billboards, brochures and posters, mall kiosks, business cards, menus, email signatures, Web pages, absolutely everywhere.
But some are wondering what they exactly are and what purpose they serve. For businesses or website …