Facial Recognition and Other Security Tech

"The discoveries and inventions of today are poised to change the way you live in the near future. Today, the internet allows unprecedented global connectivity, enabling people to communicate and share information effortlessly. In our modern, digitally connnected world, security is more imporant that ever. Now, we use both physical walls and computer firewalls to protect our information. In Facial Recognition and Other Security Tech, you'll read all about the new technology transforming the way we protect ourselves."-- Back cover.