Wait, so you "sign" the version of code you're okay with using, and if you haven't "signed" the new version off, you're actually served by the old version of th

Wait, so you "sign" the version of code you're okay with using, and if you haven't "signed" the new version off, you're actually served by the old version of the code (the "newest" version you've "signed")? Wicked. :)