Do you want to send your message to the stars? Here's how you can!
On Friday September 21, 2012, log onto Twitter and ad8:30 – 9:00 PM Mountain Time, or 7:30-8PM PST; 9:30-10PM CST; 10:30-11PM EST. I know all these time zones can make life confusing when it comes to coordinating an interstellar event like this, so thanks to the people at Tweets in Space for spelling it out so clearly on their webpage.
To learn more, watch this groovy video! It's fun to watch, and the little girl at the end is WAY too cute!