Don't spam your friends. Build a 1 page website with Instapage.com. Include your contact info and what you bring to the table (maybe you have X years of experience). When I was an engineer, I made a connection at a "learn a new skill" event. That led to my 1st client ($136k in design fees). For a service, people tend to want to meet people and start them with a small project 1st before giving more work. Post an ad on craigslist (Free), run a small AdWords campaign with your area (use your city as a keyword and include in ad so people know you're local). Call me if you want to get into this further.