Jimmy Wales, the founder of online encyclopaedia Wikipedia, is launching a service offering free tools for people who want to build community websites.

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Mr. Wales' company Wikia.com is offering free software, storage and network access. Wikia is the commercial counterpart to the not-for-profit Wikipedia site.

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Website creators can keep advertising revenue. However, sites built with Wikia tools must provide a link to the company, which itself earns money from adverts.

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Mr. Wales believes that the falling cost of computers, storage and network access will enable success for the new service. He says: "It is becoming more and more practical and feasible to do. We don't have all the business model answers, but we are confident as we always have been that the wisdom of our community will prevail."