Sharing teaching resources is not news by any stretch of the imagination. New teachers might receive materials from veteran teachers. One teacher might be passing off a class to another teacher who hasn’t taught it before, and passes the materials they found useful to the next teacher. Two colleagues might be chatting and offer to share resources. There are a million ways it happens, and in the digital world, much more of that is happening online.
via 4 Powerful Sites That Will Improve Your Teaching – Edudemic – Edudemic.