Original: All knols are 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 may choose the CC-BY-NC-3.0 license (which prohibits commercial reuse) or traditional all rights reserved copyright protections instead.
Simplified: All knols are licensed by default under the Creative Commons CC-BY-3.0 license. 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.