Not all have amateur radio licenses. Ushahidi can use devices you do not need licenses for (mobile phone SMS, email, web). Some goods links: http://github.com/ushahidi http://ushahidi.com/

Wikipedia has article about a term Steven K. Roverts coined to describe this kind of high tech nomadic lifestyle: technomad

Michel Fournier's record skydiving project failed today (Tuesday May 27th 2008), because the balloon left the capsule with Fournier behind. Source: http://www.i4u.com/article17593.html