First and foremost, you want to email your family & friends and have them do the same. After that, I suggest that you make sure to submit your site to all of the major search engines. Then you can advertise, use social sites like Subbmitt to spread the word. Also don't forget simple things like business cards, flyers, etc. Tell everyone you meet. Buy promotional items like tshirts, hats, or bumper stickers. Use resources from the list below. There are many more than what is listed below, I tried to cover all of the major things you should be taking advantage of to spread the word. I'm sure others will chime in with their answers as well. Search Engines Social Bookmarking Sites del.icio.us Social News Sites RSS Feeds Press Releases Promotional Items Video Sites Social Communities Banner Ads adwords.google.com Directories Webmaster Tools http://siteexplorer.search.yahoo.com/ Targeted Ads Link Exchanges Viral Marketing