Ceiling interaction at TEI.

Cool looking celing interface TEI.

http://instagram.com/p/Vj5e6mTX9l/

Meanwhile Philips have introduced a LED bulb the colour of which you can control from your iphone. I would love to have a way to control it programatically ( and have rooms gets bright red when your late for an appointment. )

http://www.meethue.com/en-US

http://www.lighting.philips.com/main/connect/tools_literature/lighting-apps.wpd