On Tuesday, February 25, 2014 3:49:08 PM UTC-5, Eric Greenwell wrote:

but the huge number of touch interface flight computers in use indicates
the efficacy of the method.

I'd make the argument that their numbers reflect the easy availability and economy of these consumer devices myself... but the important thing is that you have devices that work well for your use and *don't* require a lot of head in the cockpit time.

best,

Evan Ludeman