Even today in the world of satellite based GPS and the fairly exact positioning information it can provide, it is always best to have a paperchart or map and the needed tools in case your electronic ones fail so you are not left stranded and unable to find your way home.
On his first day at H-P in 2005, he held an all-company meeting and, without notes, proceeded to outline on a white-paper flip chart the current and expected numbers for each H-P business unit and their strategic goals.