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I just build a new web app, and I am looking for data to seed it with. Anyone know any good seed data retailers? Or am I missing something and there is a way to do this for free. I am entirely open to scraping, and have built a couple scrapers I enjoyed.

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Do you want real data, or just test data (i.e. fictional)? – DisgruntledGoat Nov 16 '10 at 19:07
@disguntledGoat , real data – Trip Nov 16 '10 at 19:08
Hey Trip, have Piers or John answered your question or would you like more information? – Christopher Feb 14 '11 at 19:15

If you're in the US or Canada infoUSA is worth checking out. A previous employer used to use them for mailings. You can be very specific with what kinds of business you want and what kind of data is required such as "must have phone number" or must be in X industry" or "must be in business over X years" etc.

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Lots of sitemaps in there :)

I haven't downloaded the data and had a look at it, but it might contain usable information.

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Since you've got the scraping know-how, I would suggest scraping yell.com for UK business addresses. Maybe Yelp?

It's worth noting that people don't like their websites being scraped so they may well block you very quickly and Google is getting quite passionate about duplicate content (I can't remember the exact term for it) on different sites.

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