Database of webmaster email addresses needed

I need a database of webmaster email addresses most preferably fresh, or at least not often used.

They should be mainly of

1. Social networking websites

2. Active Blogs

3. Software Houses

4. Online ad posting Websites

5. Online Shopping Websites

6. Start-up Businesses

Please send in some samples from each category (10-15 from each category would be fine), total amount & price. Thanks.

数据挖掘 网络营销 Link Building 网页搜罗 网页搜索

项目ID： #2428891

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