In 1971, Ray Tomlison developed the first email service while working at The Defense Advanced Research Projects Agency (DARPA). This development changed how we communicated. However, even though this was an exceptional tool, it was not very user-friendly, requiring users to have specific software installed on their computers. In 1996, Sabeer Bhatia...

QR codes have come a long way since being invented in 1994 by a subsidiary of Toyota. Initially introduced to address some limitations of barcodes during the car manufacturing process, QR codes have since become staples in people’s day-to-day lives. The introduction of high-powered cameras to most modern smartphones is what allowed these codes to gain new uses. QR codes, easily generated and cost...