PHYSICAL CHARACTERISTICS
========================

- designed for use in the home

- sliding door, so that automated functions won't result in doors slamming into unsuscpecting people


NETWORK FUNCTIONS
=================

- the smart home: control electrical appliances via:
   - email
   - SMS
   - panel on door

- messaging
   - ability to leave messages for others
     e.g. message for mum: the next time mum authenticates at any door 
          in the house, the message will show on the LCD panel

- conferencing with main door
   - when a guest rings the door bell, a camera is activated and the 
     video can be received by any door in the house to see who it is.


OTHER FUNCTIONS
===============

- door changes colour according to the mood of user (mood detectors)

- can tell jokes

- should be able to recognise different users

- clothing suggestions (decided by temperature and weather)

- fridge compartment to keep milk cold after milk delivery in 
  the morning

- cab booking/restaurant booking facility