> the overhead tannoy I had never heard the word tannoy. The Internet informed me about the British loudspeaker company Tannoy. By the way, their Wikipedia ar

> the overhead tannoy I had never heard the word tannoy. The Internet informed me about the British loudspeaker company Tannoy. By the way, their Wikipedia article says their lawyers watch out for people using their trademark as a generic word and chase them down.