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I've notice that classified usually has a lots of pages indexed and that's because for each query/kw they index the first 100 results pages, normally they have 10 results per page. As an example imagine the site www.classified.com, for the query/kw "house for rent new york" there is the page www.classified.com/houses/house-for-rent-new-york and the "index" is set for the first 100 SERP pages, so www.classified.com/houses/house-for-rent-new-york www.classified.com/houses/house-for-rent-new-york-1 www.classified.com/houses/house-for-rent-new-york-2 ...and so on. Wouldn't it better to index only the 1st result page? I mean in the first 100 pages lots of ads are very similar so why should Google be happy by indexing lots of similar pages? Could Google penalyze this behaviour? What's your suggestions? Many tahnks in advance for your help.

I'm wondering what's the most important number in facebook that affect more the SEO of a site: It is the number of "Recommend" that your site have received or It is the number of fans the facebook fan page of the site have? Also does this really affect SEO or not? If you can provide some data, statistics, link to post or whatever it would be very nice. Thanks for your help