You look business, confidential reports or diagrams at office with a plenty of employees and clients?
HFO will easily and quickly hide the confidential information on your screen from viewing undesirable persons or competitors.
You it was required to work with private data in a public place?
HFO using one pressing of the button will hide your windows from person who has casually approached to you.
You, in house conditions, prepare a cover for adult magazine?
HFO, imperceptible movement of a finger, will hide your adult pictures from casually run up child.