We're actually just borrowing from the phrase "canary in the coal mine" -- http://en.wikipedia.org/wiki/Animal_sentinel http://en.wikipedia.org/wiki/Animal_sent

We're actually just borrowing from the phrase "canary in the coal mine" -- http://en.wikipedia.org/wiki/Animal_sentinel http://en.wikipedia.org/wiki/Animal_sentinel Google Chrome uses a similar convention (http://www.google.com/intl/en/chrome/browser/canary.html http://www.google.com/intl/en/chrome/browser/canary.html), as do many other companies when talking about unstable/nightly/etc. builds (simply google 'canary build' to verify :)