Press releases are a way of getting a lot of visitors to your sites quickly if you have a good subject line in your press release. It is not recommended to make it like a sales page but offer good news and add links back to your sites with your promotion.
There are many places to submit press releases some free and the best options for more exposure are to use one of the paid services also.
Normally around 400 words is recommended for your PR, and it is possible to get really high positions in the search engines quickly sometimes in only an hour or two if you follow the correct methods of writing and submitting including keywords.
There are many options for outsourcing your PR but you can find information online if you wish to do this yourself.
