Scott Guthrie explains the proper order to the uninstall process of pre-release bits, some may be installed and some may not.

While birdsong has long been known to share similarities with human language, the ability to convey different bits of information by simply rearranging word order was thought to be exclusively human.

If the capabilities are not in the program's effective set, then the program must be capability aware and must activate the bits in its effective set itself in order to make use of the capabilities.