Yo Kass answered What are you trying to generate leads for? Do you have a website already?One way would be to create a quick and simple landing page, and then direct web traffic to it via the following methods:organic traffic from a search enginepaid search placement (AdWords)social media & word of mouthWhat networks/sources you use to promote your product and generate leads will depend on what your product is about.For example, LinkedIn can be an effective source of leads for a number of businesses, but might not be the solution you're looking for...