QR codes are visual patterns that store data smartphones can read. AP Photo/Vincent Yu Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations ...

Scott Ruoti does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Usama Mehmood is a writer who has done extensive work for previous publications, including Ranking Lists, Reviews, and even Featured Pieces. This allowed him to quickly pursue a position as an Editor ...

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. A blockchain is a network of decentralized and distributed data (ledger), meaning the users ...

Soldiers in ancient Greece would send secret dispatches by wrapping a strip of parchment around a staff and writing across it. Their messages could be deciphered only by someone with a staff of the ...

I was 5 or 6 when I got my first sense of the joys of computer programming. This was in the early 1980s, when few people had a computer. One day, my dad brought home a Sinclair ZX Spectrum, one of the ...