Smart tools are everything in the world of fast-moving startups and lean marketing teams. You want to work faster, reach more people, and reduce friction between your brand and your customers. But ...

Since .PDF files are not as dangerous as .EXE or .LNK files, they rarely raise any suspicion with the victims. Opening the file up does nothing, but it also shows nothing except the QR code, which ...

The technology is there for the QR code to provide not just a menu, but an entire ordering system. Some restaurants just upload a PDF of their menu to a website you can access through a QR code ...