What is amplitde modulation know was today?

Amplitude modulation (AM) is a technique used in electronic communication, most commonly for transmitting information via a radio carrier wave. In AM, the amplitude of the carrier wave is varied in proportion to the waveform being sent, such as audio signals. This method allows for the broadcasting of audio content over long distances, though it is more susceptible to noise and interference compared to other modulation methods like frequency modulation (FM). Today, AM is still used for radio broadcasting and in aviation communications, although digital modulation techniques have gained popularity.