Writing and submitting press releases related to your business and service is an important aspect of online marketing campaigns today. Worthwhile news can be shared with others and offer more opportunities for inbound linking and others to find your site. We've compiled some of the hottest Press Release sites on the net. When writing, a good rule of thumb is to keep your press release between 350-400 words and include no more than two links with your complete URL in the body of the article. Be sure to grade your press release for marketing effectiveness before submitting it to the masses.