Here are some technical notes that I publish mainly for my own reference, that aren't quite as well-rounded as my white papers.  Maybe you will find these notes useful also.  Comments and suggestions are always welcome.

Here's an article on living with Windows XP that I wrote for some family members.

Here for my reference are my XML notes.

In case you are a programmer trying to build a fancy regular expression, here is a regular expression tester.  Now new & improved!