to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
From my Federal Regulation of Electronic Media class, a chart depicting how "Blown into eight pieces by an antitrust court in 1984, AT&T, like a self-repairing robot, has slowly put itself back together." to quote Tim Wu. http://www.slate.com/id/2156918/