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a fundamental design that looks like this: This picture leaves out multiple publishers and subscribers and the subscriber registration process, but you get the basic idea

fine for server subscribers (like, say Google Reader) but not for client subscribers (like, say TweetDeck).

In this approach, the client subscriber makes an outbound connection to some type of relay infrastructure

technically feasible

Yes, having to relay messages sucks. But the question is

Harry Pierson

o set up your path, click the 1-2-3-Add bubble. To start the path, click on the text or graphic you want to show first. It might be the title you created. Once you click it, the number 1 appears in a circle on top of the element you clicked. This represents the first area of the screen that will be shown.

If you want the view to be the center of a grouping of objects, click the center of the Frame.

Prezi has two different modes of operation: Edit Mode, in which you create your presentation, and Show Mode, in which you present your creations.

Full Screen Mode To accommodate a projector or for wider screen viewing.