His next invention was the "Telephone News Service" that he introduced in Pest, which announced news and "broadcast" programmes and was in many ways the forerunner of the radio. According to a contemporary scientific journal, at most 50 people could listen to Edison's telephone at the same time, if one more person was connected, none of the subscribers could hear anything. With Puskás's apparatus, by contrast, half a million people could clearly hear the programme coming from the exchange.
