The most important and popular search engines are Google, Yahoo and MSN. This search engines include in their search algorithms link popularity. So you can consider inbound links as some kind of votes in the favor of your site. So the main idea is that if you have many links that point to your site from pages with related topics you will rank well in search engines.

But, in time search engines updated their algos and now they evaluate all the links. For a very long period of time all the webmasters did al they could to trade links. But now, because of the new search engine algorithms, reciprocal links are not powerful. This is the point where one way links appear. This are the new powerful and useful links.

One way links have many advantages over reciprocal links. The first and most important plus for this kind of links is that you won't have to worry anymore about linking back to a "bad neighborhood". So buying one way links will really help your site to rank well and you won't have any problems with bad seo.

Also one way links usually stay in place for a very long period of time. If a webmaster puts a links that points to your site on his website, this means that he likes your site's content and he wants to offer it to his visitors too.So, because the links will be on related pages each one way inbound link will tell the search engines that your site is valuable and deserves the link.

In conclusion you can think that one way links are the new generation of links. Don't hesitate to get as many one way links as you can to point to your site and you will have the targeted traffic that you've always desired.