Lectures bore me. I like interactive experiences - I like to participate in my own learning. That is why I like dialogues, and it is also why I am now totally enthusiastic about using and creating educational games and simulations.
A few years ago I began attending an utterly amazing and fascinating conference called NASAGA (NorthAmericanSimulationsAndGamingAssociation?). If you go to this conference, you'll meet people who are experts in using games and simulations (and storytelling) to transfer knowledge. The conference itself is completely interactive -- i.e. nary a PowerPoint slide to be seen!
My best game inventions so far include:
See also: OufshaHome, ExtremeMeme