BetaNews as a rumour about Microsoft and Yahoo linking their IM networks. The main reason to do that seems to be the ever growing threat from voice chats, like Skype, which, by the way, as a new wireless voice handset by Linksys, the CIT2000. In my personal opinion, in order to survive, all IM networks will have to connect to each other, so this decision is only one more step to the inevitable.