I just came across this post by Michael Calore at Wired about how developers are building applications for the home on the back of Twitter.

http://blog.wired.com/business/2009/02/twitters-hackab.html

The idea is that twitter enabled devices around your home and work can send you messages to tell you when the washing machine has finished the spin cycle – or (my favourite) when your plants need watering.

What would be nice is for my fridge to tell Tesco’s that we’ve nearly out of milk and put in an order for me….