What are the technologies used by ajax?
How to control how long an ajax request may last?
Which is the purpose for using the scriptmanager?
Is json is a programming language?
Some of the google examples you cite don't use xml at all. Do I have to use xml and/or xslt in an ajax application?
What javascript libraries and frameworks are available for ajax support?
Is ajax still in use?
Describe the accordionextender control? : asp.net ajax
What are the requirements to run asp.net ajax applications on a server? : asp.net ajax
What is ajaxcontrol toolkit?
What are the disadvantages of Ajax?
What do I do on the server to interact with an ajax client?
Why do we use the xmlhttprequest object in ajax? : asp.net ajax