I just learned about this utility. It's super cool and I bet I could do something useful with it that makes my life marginally better.
I just need ideas ;)
The master list. Good to know.
For completeness: one more door lock.
Another neat iPhone-controlled door lock.
Another cool toy I want for my house.
"If this then that": Very clever online service that lets you create very simple automated scripts for the internet, for example: