All contributions were licensed by default under the Creative Commons CC-BY-3 .0 license ( which allows anyone to reuse the material as long as the original author is named ) , but authors were also able to choose the CC-BY-NC-3 .0 license ( which prohibits commercial reuse ) or traditional all rights reserved copyright protections instead .
This license allows anyone to reuse the material as long as the original author is named , but authors may choose the CC-BY-NC-3 .0 license ( which prohibits commercial reuse ) or traditional all rights reserved copyright protections instead .