This post goes great with your other one on Raspberry Pi. Hardware is definitely becoming cheaper and for folks with time and curiosity, it is a whole new front

This post goes great with your other one on Raspberry Pi. Hardware is definitely becoming cheaper and for folks with time and curiosity, it is a whole new fronteer to hack on. Time is a huge constraint right now (imho), since it's a lot easier to make pictures filtering app than it is to hook up your Roomba to the Pi, but in a few years we will definitely see an abundance of hardware innovations that don't require VC funding.