Nah, that's too blatant. Have your shirt recognise small movements of your upper and lower arms and shoulders. With practice you should be able to enter reasona

Nah, that's too blatant. Have your shirt recognise small movements of your upper and lower arms and shoulders. With practice you should be able to enter reasonable-bandwidth data similar to on a cell phone keyboard without anyone noticing (and without having to use your hands). ...we'll call it 'learning to wear'.