Hertz is a sound social software, which is queried in Hertz software official website, and there are real people in it. But Hertz's communication environment is very complicated, and there are many liars. It is best not to trust a person easily, or you will be cheated badly.

Hertz is the frequency unit in the international system of units, and it is a measure of the number of repetitions of periodic changes per second. Hertz is abbreviated as Hertz.