$ sudo gem sources -r http://gems.datamapper.org
Bulk updating Gem source index for: http://gems.rubyforge.org/
ERROR: While executing gem ... (Gem::RemoteSourceException)
HTTP Response 404 fetching http://gems.datamapper.org/yaml
$ sudo nano ~/.gemrc
Botanical Engineering - When I moved to the Bay Area to join IDEO, I had never even heard of Burning Man. But once I got here, it came up almost every time I showed someone my Ha-...