Some high tech things to put in a futuristic home?

Question:Things like control of lighting, ac, everything from a pda etc

Answers:
-Transparency control of windows
-Acoustic and sound insulation
-Holographic room to room intercommunicator
-Furniture that moves from room to room by command
-Color changing in walls and furniture
-Detection and location of any object in the house
-Personalised presets for anyone including color, lighting and -Furniture disposition among others
-Automatic gasing of intruders