When I would point to the top bar of buttons the cursor arrow would jump all over the place making it very difficult to select program options.

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Its sister service, called "on demand, " allows users to order programming whenever they want, using on-screen menus to select a program that they can start, stop, pause, rewind and fast forward at will.

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Second, to select the program which will be the focus of a SIB, there needs to be a meta-analysis comparing programs with similar goals against one another to see which delivers the best results for the population and circumstances, and at what cost.

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