Athena Online, a division of IMS (Institute for Management Studies) has a tremendous library of learning videos by some of the great business experts of our time, including me ;-) I definitely recommend them as a resource. Below is a sample of the quality work they do. It's an introduction to multiple other videos of me explaining when to use email and when to bail and tips for avoiding misunderstandings.

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In addition IMS which sponsors seminars in 26 cities around the globe is launching "Leveraged Learning", where after the live seminar you have access to multiple resources to solidify your learnings and turn them into action. Definitely check out the Leveraged Learning video here.