I'm with you on that one @drdriller@Rhinebeck01 always posts a link to more information or where he's getting it from. Damn good source on this forum. I'm really happy with this forum in general. Lots of good people.
You can type the @ symbol and start typing their screen name. It will populate with the member then you just click on their name and it's added.
Gotta click the screen name when it comes up. Type @ then rhi, wait a sec and you'll see his screen name come up under the @ symbol. Click it and it adds the tag.