Webcams, security cameras, smartphones ... cameras are everywhere today, especially at home. Have you ever been reluctant to use a webcam because you feared others would gain access to your feed? Fortunately, you no longer need to worry about sacrificing your privacy. When I need to create an account on any service, I am often tempted to make up a simple and easy-to-remember password to avoid forgetting it, such as "12345"? "Password" Or "qwerty".