Pleased to Meet You; Hope You Guess My Namespace

No. It's supposed to be clever. It's there because the article is about namespaces, HTML, XHTML, AIML, various other acronyms LOL.

Who are you talking to? What?

I think this page is talking to itself.

Or maybe it's talking to someone else; someone you can't see; someone you aren't or aren't yet; someone just a blip farther ahead into the future.

This article is about a subject that generally induces one of two general categories of reaction: either something like vomiting, or something like drug-addled glee about the "revolution of new possibilities".