Editor’s note: New ways of communicating are always appearing on the Internet – often out of nowhere. Twitter is one of the most fascinating – and infectious. I am now an addict – as are many of the folks at NASA who see how the future will work. You can follow my Twitter postings here – and I encourage you to get a Twitter account yourself. For a snapshot of how this all works globally, have a look at Twittervision – click on the 3D option and watch as instantaneous Twitter postings (called “Tweets”) are mapped against a planetary context – in near real time.
