Get your Skype account up to date. Make sure the projector bulb is working properly. Plug in your speakers. And then tune in here to register for the Discovery Stream-A-Thon! That’s right, 12 hours of back-to-back professional development from some of your favorite Discovery Gang.Want to know who’s presenting (and when and about what)? Check out the National Den Blog Post. Sessions start at 9 AM and continue until 9 PM tonight.See you there!