"Recently, we conducted a series of tests to see if it was easier to download the Firefox installer from a CDN or from one of the members of our mirror network. In order to do the comparison, we set the channel name of the installer offered by the mirrors to release-cck-mozilla11 and the installer offered by the CDNs to release-cck-mozilla12. There is no difference in the code or operation between the two installers or applications, and there is no new data being sent in.
The second phase of the test was testing the upgrade to Firefox 14.0.1, and it uses the channel names release-cck-mozilla13 and release-cck-mozilla14.
The only thing that the "funnelcake" does is allow us to measure how many of the downloaded installers hit the first run page and subsequently check for updates. There is no personalization or user data involved."
I think this solves my question.
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