ASP.NET AJAX Interview Questions: 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?

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?

No. XML is the most fully-developed means of getting data in and out of an Ajax client, but there’s no reason you couldn’t accomplish the same effects using a technology like JavaScript Object Notation or any similar means of structuring data for interchange.