You can participate by using this link:
A tweetchat allows all tweets (Twitter messages) marked with the same hashtag (# followed by keyword such as #UU2020) to be pulled together forming a giant conversation. You may use the Tweetchat room link above or other Twitter utility to pull up all tweets with the tag for this discussion, #uu2020. I use Tweetdeck, a free application you may download for desktop, iphone and other mobile devices.
Not on Twitter? Here are a couple of tutorials:
And a cautionary tale…