Creative Commons License

All content on this site is available under a Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license by multiple authors. Except where otherwise noted, content is licensed for attribution to LevelUp.

Detailed practices for giving attribution can be found on Creative Commons’ website.

What Does This Mean?

For the summary details and terms of this license, please click here; for full details and terms, please click here. Summary details and terms are also included below - the licensor cannot revoke these freedoms as long as you follow the license terms.

Under an Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license, you are free to:


Copy and redistribute the material in any medium or format.


Remix, transform, and build upon the material for any purpose, even commercially.

Under the following terms:


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.


If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.

No additional restrictions:

You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.