Earlier quoted context omitted.
Here's what will happen: After acquisition, MS will put out a lot of PR saying that cross-platform is "very important" in this new acquisition, they will even release an updated version on cross-platform. ...of course that update will be screwed up as it has been "fixed" to make all versions more "windows friendly" at the expense of features that may be better on other platforms (i.e. scrap the Mac interface, kill op…
Open protocols? Does Skype use any? I'm genuinely curious, I thought it was completely proprietary.
So the protocol is already OK, the client however they'll convert it to using as many Windows specific technologies as possible.