There was a time where IRC was the most popular way to chat, and then MSN became IM default. Then people 'pinged' with BBOS. At one point, WhatsApp became the d

There was a time where IRC was the most popular way to chat, and then MSN became IM default. Then people 'pinged' with BBOS. At one point, WhatsApp became the default, and just now Signal got popular, [1] thanks to Donald Trump. [1] https://old.reddit.com/r/signal/comments/1j38sgw/signal_is_the_no_1_downloaded_app_in_the/ https://old.reddit.com/r/signal/comments/1j38sgw/signal_is_t...