Baratunde made a similar point at the Web 2.0 Expo in 2009, when he gave a great presentation on the power of hashtags.

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But I also know that leaders can sabotage a great presentation if they underestimate or ignore the power of body language.

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So, building and husbanding power meter bars adds a deeper level to the game, and one which ties into the presentation of the characters.

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The questionably named Cyber University in Japan has begun offering a mobile class on the "mysteries of the pyramids, " but instead of a typical PC's display of text, images, sound, and video, the mobile version offers a streaming Power Point presentation on the topic.

ENGADGET: College course via mobile phone being offered in Japan