Even the best documentation for the firewalls we tested is scarcely adequate, especially since hacking remains a mysterious aspect of computing for most PC users.
Currently, TSA is working with only two airlines, American and Delta, because they were able to handle computing requirements set by TSA for the frequent-flier aspect.
These new computing form factors, like the ones before them, will permeate every aspect of our lives, from relationships to memory capture to productivity to shopping.