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- Distribute the work and share it with others
However, you must NOT do any of the following:
- Lock the work with any technical protection measures (TPMs) or digital rights management (DRM)
Your freedoms under this license apply
to all copyright and neighbouring rights (rights in a sound recording or performance)
that vest in the work.
You must still ensure that you do not infringe any:
- Patents (unless rights are implied by the licence)
- Prohibitions against circumvention of technical protection measures
The attribution requirement is
flexible. This means you can adapt the way in which you attribute the original author to fit your use of
You may use the work and modify it without sharing your changes, but only if these activities are for your own
personal use. To promote a community of open sharing, you must, however, share your changes with others
under the original licence terms when you:
- Distribute or publicly communicate your modified version to anyone else, whether for free or for profit
This is a strong copyleft
clause. The copyleft obligation applies to:
- Any adaptation or derivative work you create which is based on the original
but does NOT apply to:
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The licensor makes no guarantee to you as to:
The quality of the work. Keep in mind that the work may contain inaccuracies and errors.
It may be entirely unsuitable for your purpose.
The clearance of rights. It is possible that the licensor might not actually own all of the
rights that the license claims to grant. If this is the case, you could inadvertently infringe the copyright of
a third party -- and you will bear the full responsibility of this infringement.
The license also contains a general disclaimer of liability. In most cases, you cannot sue the
licensor, even if you suffer injuries or financial harm due to errors, inaccuracies, or faults on the part of the licensor.
Your right to use the work terminates automatically if you breach any of the terms of the licence.
Even if the licensor releases a new version of the licence with different terms, you may continue with any
present use of the work under the original terms.
However, if you retrieve an updated copy of the work, it will then come under the terms of the new license.
The licence does not specify a forum for any lawsuits. If a legal dispute arises between you and
the licensor, courts will make their own determinations on the proper location for a hearing.
The license does not specify the particular laws that a court is to apply when resolving a dispute.
Thus, to interpret the licence, courts will make their own determinations of the appropriate law to apply.