One way to size-up the world is to divide people into four categories.

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It will be slick, emotionally engineered, served up in bite-size chunks, and cast with people with little connection to "normal" life who will recite what's expected of them because they want to be on TV.

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Thanks to YouTube Analytics, the traffic-analysis program that YouTube makes available to everyone who puts up a video, creators can know both the size of their viewership and where people are watching by country and state as well as when they watch and how long they spend watching.

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"The capacity is three thousand, but I wouldn't kid myself on, we're setting the hall up for two thousand people but that's still a big hall, about the same size as the Kelvin Hall, " said Gilmour.

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Others, like the Nomad II from Creative Labs (nasdaq: CREAF - news - people), use the SmartMedia card, which holds up to 64 MB and is about the size of a credit card cut in half.

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