michael from the watch-out-for-that-tree dept.
Paul Bawon writes "A company in UK called Node has developed the world's first consumer PDA designed for use specifically in outdoor environments. The device is fully waterproof to 3 meters, has a 8 hour battery life, built in DGPS receiver and 1 Gig of storage. Bluetooth and WiFi come as standard as does a touch screen and either a PocketPC or Linux operating system. I bumped into them at a tourism conference in Edinburgh where they were demo'ing the unit and I was impressed. It's smaller than a standard postcard."
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.