Deciphering licensing in Project Open Data - Creative Commons

"Two weeks ago we wrote about the U.S. Executive Order and announcement of Project Open Data, an open source project (managed on Github) that lays out the implementation details behind behind the President’s Executive Order and memo. The project offers more information on open licenses, and gives examples of acceptable licenses for U.S. federal data. Some of this information is clear, while other pieces require more clarification. Below we’ve provided some commentary and notes on the licensing parts of Project Open Data ..."