Marie Van Brittan Brown invented an early version of the modern house security program in 1966 with the help of her husband, Albert. Easy but extremely Superior for its time, Brown's technique manufactured use of peepholes, a closed-circuit digicam process, a two-way microphone, and an unexpected emergency alarm. Its group https://zerobin.net/?525d5356b1e4476b#iKl/FfzwKDqKzom7G0XuNdcNXgdNnsR6rp9JFU/b8Gw=