How does one do realtime updates of a web page?

Question

Google\'s GMail service does it because it integrates Google Talk -- and Etherpad (now typewith.me) made famous the system which is used by, for example, Google Wave. All su

Answer 1

AFAIK, they use some form of AJAX. However, I would recommend you use the AJAX libraries via jQuery. AJAX is simplified a lot if you use jQuery to do it.