likely a reason WhatsApp is popular in Europe (or at least Switzerland) is that one is likely to have friends in other countries, and international SMS are a ri

likely a reason WhatsApp is popular in Europe (or at least Switzerland) is that one is likely to have friends in other countries, and international SMS are a rip-off. At least that's why I use LINE/gtalk/fb messenges a lot these days, as they don't care about where people live/are.