It's been built in Haiti, Africa, Sri Lanka - test units, results positive. Getting over the hump on a deployment with refugees living in one (rather than the odd aid worker / volunteer) is taking time.
There's also this: http://files.howtolivewiki.com/somalia_or_sudan.mp4
I found the video on a search, and have not discovered who made it or what the story is, but it's clearly the kind of diffusion we've always hoped for!
There's also this: http://files.howtolivewiki.com/somalia_or_sudan.mp4 I found the video on a search, and have not discovered who made it or what the story is, but it's clearly the kind of diffusion we've always hoped for!