Social bookmarking usually implies posting a two or three line description that goes along with a bookmark. Keywords are used in the description to make it interesting enough that users will want to click the link when they read it. There are hundreds of social networks out there and they all have a following of some kind. Some of the more popular social bookmarking sites are Digg, Delicious, Sphinn and Stumbleupon.
The benefit of utilizing article syndication service is in 2 ways. One, you will get quality backlinks to your website and secondly, the content of the articles will serve to brand you as an expert in your field or industry. There are good chances that the traffic from articles to your website can convert to sales.
Online press release can attract visitors to your website as well as get inbound links to your site. Press release content needs to be newsworthy. Readers on search engines should peruse it as useful information about your company.