There are a lot of interesting ideas in the submissions, so I wouldn't be surprised if Pinboard is one of them. It seems like an interesting pick. Personally,

There are a lot of interesting ideas in the submissions, so I wouldn't be surprised if Pinboard is one of them. It seems like an interesting pick. Personally, if I could only pick one, I'd pick Eat My Dust - Home testing for dangerous materials. I know there's products that do this already, but I think there's a lot more that could be done.