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    Where do online service reviews get their lists


    Hi,

    I was wondering how online service review websites like google and angie's list get their listings of service providers like docters, plumbers, etc.

    Are there large lists out there w/ API's?

    Any insights will be helpful.

    Thanks,
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    Devshed Newbie (0 - 499 posts)

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    Angie's list, I believe, is full of users's submissions. Meaning they don't have a pre-generated list that they use, a business has to add itself to the site.

    Google uses spiders to discover new URLs and index new or updated pages on sites their database already has.

    Here's a good article about google's searching and discovery:

    link

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