geegel writes "YouTube has announced that it will introduce a Creative Commons license option and also provide remixing capabilities in its video editor. 'You can now access an ever-expanding library of Creative Commons videos to edit and incorporate into your own projects. ... You’ll also be able to mark any or all of your videos with the Creative Commons CC-BY license that lets others share and remix your work, so long as they give you credit.'"
Thus mathematics may be defined as the subject in which we never know
what we are talking about, nor whether what we are saying is true.
-- Bertrand Russell