This is the technique of creating "quality" inbound links to your website without giving a link back. It serves as an important factor for search engines to help determine your website's ranking, popularity and importance. Not only more visitors will find their way to your website and services, search engines take into consideration the amount of links pointed to your website.
This helps search engines to measure your popularity and give you a better rank.
This service may be requested separately or can be included in a complete search engine optimization work strategy