All old off page optimization strategies is now dead. Google launched two major update in 2013 Google Penguin update and Link Schemes.
Local Business Optimization:
Local business optimization is one of off page optimization strategies. Research your local market, customer and Location. Put your website url on local business listing site with your contact information.
Social media optimization is the off page optimization process of increasing the awareness of a product, brand or event.
Content Optimization & Marketing:
Publish your content on web and distribute to other news website with nofollow tag. Distribute your content in pdf and doc format.
Image & Infographics:
Promote your product, brand, event, services through image and infographics format.
Promote your product, brand, event, services through video and sildeshare format.