because of its small size and linux i have found lots of uses for it previously as some type of network attahced hardware. splice in some POE and you can really get creative.

right now i have an n810 mounted to wall outside our office suite(indoors) and use it as a video doorphone over sip. given most of the people wanting access are pretty technical anway

i have also used it in various situation as a vnc display of some screen i needed in another area in a pinch(we have one comp hooked to a projector but it is headless, hand it to sales guy and say push this button)

i havent done the usb otg plus hard drive yet, but it could be very useful in that respect as well as some type of surveillance dvr on the cheap

i have also contemplated seeing if blueproximity will run on there and mount it somewhere and use cellphones to grant/log access, etc