Having a social media marketing plan isn't just about creating a Facebook page or Twitter profile and automating your company updates. There's much more to it if you really want to make the most out of social media when it comes to effectively promoting your products or services.
The key to any social media strategy is to create an experience your audience can participate in with you.
Take a look at this infographic from eventifier that proposes some basic tips for creating a successful social media strategy.