As broadband becomes ubiquitous, synchronous (real time) web applications for learning and business are getting easier to implement. However, many of these systems are still quite expensive. Luigi Canali de Rossi (Robin Good) has an excellent video presentation that covers low-cost web collaboration tools such as voice over IP, web conferencing, screen sharing, document sharing, etc. This is worth 37 minutes of your time, especially if you intend to spend money in this area.
