Effective and engaging content is number one priority. If you create useful content which can serve a purpose then users will bookmark, link and share to their network which generate natural links. Promote your blog through guest posting, forum participation, blog commenting, social sharing, and news latter etc.
very right effectiveness is important factor while working in promotion for any industry . analyses what type of content audience wants to review and provide them , that will definitely viral and your work of promotion is fulfilled . links placed in such articles are valued by search engine and works as ranking factor .. Also in future published content able to get a good PR and Now you have link from good content and good PR website .