They should start using XMPP/Jabber. At the beginning with a Yahoo-Transport to be compatible with the people that are slower to switch: https://en.wikipedia.o

They should start using XMPP/Jabber. At the beginning with a Yahoo-Transport to be compatible with the people that are slower to switch: https://en.wikipedia.org/wiki/XMPP#Connecting_to_other_protocols https://en.wikipedia.org/wiki/XMPP#Connecting_to_other_proto...