Way to rain on Skype's IPO hype.
If you could pick up in Gmail, have solid to no lag, Google could produce a podcaster's wet dream
Facebook already has email and chat, so one logical next step would be video chat and then calls. People already list phone numbers in their profiles and when I look at FB contacts through their mobile interface, Calling is always an option.
This is, of course, just speculation, but I wouldn't be surprised if both turn out to be true