MOUNOPANO·6 年前·議論How is it possible for this answer to be first... Really HN? WhatsApp is critical infrastructure??Excluding company ownership, what is the crucial difference between all IM listed?There's LITTLE DIFFERENCE, they all serve the same purpose, feature parity is pretty much there.When you add company ownership to the mix, WhatsApp is owned by fucking Facebook. Let that sear in your mind.