Google has had jabber/gtalk integrated into Android since Day 1. It's push and the interface is fantastic. There's a web client built into every gmail user's i

Google has had jabber/gtalk integrated into Android since Day 1. It's push and the interface is fantastic. There's a web client built into every gmail user's inbox, and scads of desktop clients. SMS is still here. Now, if appleuser@me.com could jabber chat with googleuser@gmail.com across networks, this would be news.