So far, other than ICQ and AOL no one has been able to accomplish such a feat. Many pundits describe convergence of technologies, others divergence. Different horses for different courses. There are issues of different levels of urgency, invasion, latency. Sometimes you want it one to one, sometimes one to many, sometimes many to many.
Different means offer different choices.
I think what we will see intervergence - different means will keep their basic forms, but they will be able to be fetched in different modalities from the one they were sent in. Israel is probably the second most important country with the respect to the Internet. You are the best-known entrepreneur in Israel. Very motivated people, good computer literacy. They are out there to win.