More competent visitors to the site can build a world from scratch using the tool's own programming language known as metamarkup.

BBC: Screen shot from Metaplace

She has been using the Scratch click-and-drag programming tool to make games and is on familiar terms with HTML and Javascript.

BBC: Makers bring sounds, lights and sights to Manchester

Having such an account could scratch an investor's "investment itch, " he says, and serve as an educational tool.

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