This was done a few years back as the result of an XKCD, the original article is gone, but there's a few articles about it: http://www.wired.co.uk/news/archive/2010-11/09/xkcd-packages... http://news.cnet.com/8301-17938_105-20022153-1.html it's a cool idea.

Not sure if I'm imagining it, but I think that someone built this into a web service that you could subscribe to and it would buy things for you every day. Does anyone remember this? I can't find anything via HN search, but I'm sure it was a show HN at some point.