Social media bookmarking and social media networking are the ultimate way of increasing traffic to a website. In this you need to share the website pages on these social media website to get traffic. Similarly every time you put new contents on your website then share that on the social media website to get good amount of visitors...

Originally Posted by YooHee

i think social networking sites like facebook, myspace, etc. and also twitter can boost your site traffic... because, there of the huge number of members...

Yes they can increase your traffic, but you must also do some social bookmarking or article submission, some of the best ways in traffic management. Social media optimization somehow needs a little time for you to acquire traffic from them. Friends, followers, everything.

If you want ot get a huge amount of traffic then I suggest you to go with SMO.

True. Social Media I think will be reigning supreme this 2012. We can logically assume that it will impact SEO in a tremendous way.

You have to Offer free, original, and quality content on your site. These are the most effective means for increasing traffic to a website; permitting people something that they can't obtain elsewhere, or at least, not to the level of quality that you are offering it.

Here are some of the ways to improve traffic:
Optimize your site for search engines.
Frequently update the contents of your site
Take advantage of social bookmarking sites.
Get links with other sites in your niche.
Use Relevant Image & File Titles

First of all post unique and attractive content, then social networking sites like facebook, twitter.. Social Bookmarking is also much important. In fact, you have to do much more to boost the traffic.

An effective way to increase traffic is link building with other sites.