Seattle. Rains all the time. I wear the same jacket probably 8 to 9 months of the year. You could make it a fashion thing.
Could use UW tech to read thoughts to allow direct human-cell communication with visual and/or auditory feedback.
Think as if there is no box. Not outside the box. Get rid of the box concept. Why have keyboards? Make the sleeve an optional keyboard, with brain input another interface. Make the display either glasses (Ray Bans) or stupid pervy Google Glasses for idiots or on the sleeve or other display device.
Break the mold. Remove the mold. Molds are 20th tech.