Directory are dead in seo?

I always here that link building is the best way to rank high on search engines. I believe that is true but most people tell you to submit your website to directories That is fine and good but look at this directories sometimes have a weird response rate taking as much as a month to get down with your submission and after that you have to wait for Google to index your site.All the time I am doing that I could be posting comments. I am not saying don't submit to directories I am just saying that it is somewhat , how should I say stupid.

So if you really want an effective way to build links I would say submit your article to digg and allow it to get on the front page and you will have like a thousand inbound links.our go find a new blogger