Chirp Chirp* NEXTEL | When Phones Were Fun | For a few years in America, it was tough to go a day in public without hearing a distinctive electronic “chirp.” By 2004,
It's no accident that Apple chose a yellow icon for its walkie-talkie feature. I dug out my old (2002ish) Nextel with PTT (push to talk). It was all the rage back then... :