"PRWeb is dedicated to providing our customers with the tools they need to help raise their online visibility and attract the attention their news deserves," said Bill Wagner, chief marketing officer of Vocus, Inc. "Our new Online Newsroom offers all of our customers, big or small, an affordable, easy-to-use solution to showcase their news and establish credibility with journalists, bloggers and potential customers."
Taking a look at a few examples, the personalized newsroom lets you upload a logo, write a company description, list concatct information and links, publish press releases, and there's even a selection of social bookmarking capabilities. The newsroom's URLs look like this: newsrooms.prweb.com/yoursite.
In the end, it comes down to more links pointing to your site and, according to PRWeb, "Enhanced keyword and search term performance through optimized content and customized URLs."