What types of Link Building Strategey should be applied for Google ?

Hi folks,

I could not tell you a specific business because I would like to know what is the Most Important Factor to Be Successful in any Business? Is there any factors that work for all kind of businesses?

My site has been submitted to google. But google isn't indexing properly my urls. They are indexing urls which are not even present in our site. What to do?

It is true that personalized content engages more and more audience. We have been doing some experiments regarding this and the results are quite outstanding. Personalized emails are getting more CTR upto 30% more than normal emails.

Can I put more than one product in one page?

Press Release through Email Marketing is it really a good idea?

Does Mobile speed has something to do with mobile marketing?? Even if its caused by the users mobile network.

How does search engines treats sub-domains?

How to Create dynamic Sitemap in PHP

When ever i am checking crawling errors on google webmaster tools, it shows some unknown urls which are not in my website.
example links:
<!-- m --><a class="postlink" href="http://www.example.com/shopbrand/004/002/X">http://www.example.com/shopbrand/004/002/X</a><!-- m -->
<!-- m --><a class="postlink" href="http://www.example.com/shopdetail/003003000022">http://www.example.com/shopdetail/003003000022</a><!-- m -->
<!-- m --><a class="postlink" href="http://www.example.com/shop/shopbrand.html?search=&prize1=%83T%83%93%83z%83%8F%83C%83g">http://www.example.com/shop/shopbrand.h ... 8F%83C%83g</a><!-- m -->
<!-- m --><a class="postlink" href="http://www.example.com/shop/basket.html">http://www.example.com/shop/basket.html</a><!-- m -->
<!-- m --><a class="postlink" href="http://www.example.com/shopbrand/ct608">http://www.example.com/shopbrand/ct608</a><!-- m -->

Here /shopbrand, /shopdetail, /shop , /shop/basket urls are not in my website. why iam getting these urls in crawling errors?