It is the form of marketing in Social media to get your business going and helps to promote your business online.

SMM refers to the Social Media Marketing. It is a very broad field where you interact with real time people on social media.

Similar to SEM, SMM stands for Social Media Marketing.

You can read more : http://searchengineland.com/guide/wh...edia-marketing

social media marketing . Marketing & Promotion on Social Media Netowrks

Social Media Marketing for Promotion of your business on social networks.