I saw the article on http://www.janoserdelyi.com/permalink/article/19.aspx, it is part 1 of a basic implementation of a Trackback pinger.
this is part one of a C# implementation of the trackback speicification used by blogs.part one involves the Trackback Ping with a full code explanation.I am yet to be convinced by Trackbacks, however the article is full of code and is pretty interesting to read.read more | digg story