LITTLE KNOWN FACTS ABOUT BROADCASTING.

사자티비ended up operated by amateurs.|Though Herrold hardly ever claimed the invention of radio by itself, he did declare the invention of broadcasting to a large audience, in the use of antennas intended to radiate alerts in all directions.|Radio broadcasting (experimentally from 1906, commercially from 1920); audio alerts despatched in the a

1. What is Pontech?**PhoneTech** is a compound word of "phone (smartphone)" and "tech (technology)," and refers to various technological activities or business models utilizing smartphones. In recent years, smartphones have become important devices that have become deeply embedded in individuals' lives beyond a simple means of communication, and va