Attribution But Not Attribution-ShareAlike?
Decide to write this up after reading this news:
Blackboard Launches New Open Education Initiatives
My simple thought is that if you find a company or person willing to let you share your work under a BY license but not under a BY-SA license you might want to pause and think twice. Their unstated message to you may just be that they are willing to let you work for them for free but are not willing to let you protect that work for your community.
There is too much fear of copyleft going around these days.