Andy makes a point that the new Video-oriented interface for Skype 4.0 lends itself to rich-media contextual advertising being piped to the client while they make calls.

Perhaps, in future, you may find yourself watching an advert before you can place a video call.

You can download the Skype 4.0 Beta for windows but a note in Andy’s article references Jim Courtney for Skype Journal saying you should only install it on a spare machine.