SEO itself is kind of link building - without link building seo cant be done effectively. Hope this helps...
Link building is an integral part of SEO. The more your keyword will be competitive the more you will understand the need of link building. So unlike other factors of SEO link building is indeed an important part of SEO.
link building is important to get traffics and also to make search engine thinks that your page is important, which will result in the SERSP. But to me unique content is more important
Without links - nobody will be able to find your site, not even spiders that'll crawl your content. Link building is a huge factor for a successful SEO campaign.
link building is always play the major role to improved your site ranking in Search Engine and also same with Page Rank.
link building was the work of an SEO,,, they do link sites to the other so they can get a higher PR and also to get new clients, that is why link building was important for each SEO,,,
if you're running a wordpress blog, plug in the free auto backlinks from bloggerhigh to see what a difference a few backlinks makes. automatic backlinks plugin
Obviously link building is important, link building will improve your website ranking as well as traffic..Without link building to achieve ranking is very difficult task.