Ok first I must say I didn't tested this method. I thought of it while browsing facebook and wanted to share it. So whats the method ? You probably saw those facebook addict who have hundreds or even thousands of friends ? They tend to accept everyone. What you are gonna do is simple : 1. Create a facebook account to promote your product. If you browse facebook you can see plenty of example of fb accounts dedicated to promote events or products. 2. Search for people with a lot of friends and ask them to be friends. 3. Once they accepted you post your ads on their wall. Yeah its as easy as that but it will be seen by a lot of people. This idea can be useful for a lot of things. For example try designing a tee-shirt such as "I love Bob" add someone called bob and write " Do you like Bob ? Buy the I <3 Bob t-shirt for only 14.99$ on their wall"