Thought he looks like santa.

You copy some text from a webpage and put it in your email or word processor, it copies the formating too and everything looks wonky. If you paste the clipboard content in a text editor, like notepad and copy the text from there, you strip the formating.

That is what the post is refering to.

In general, they collect anything and everything they can get their hands on. So limiting their access, as much as possible, is the way to go.