An ambassador comprised of two friends who are unusually empathetic, not two clones, as is the usual means of doing it.

FORBES: SciFi Book Club: Embassytown - Better Than EzRa

Today in Google's app store, alleged WhatsApp clones include "Whatsapp Nearby, " "Whatsapp Friends, " and "Whatsapp Add Me" none of which were made by WhatsApp but which allow users to contact each other and make new friends.

WSJ: Clone Wars Roil App World