Is SMO come under digital marketing?

SMO is totally different concept. SMO is a part of internet marketing. there are three main parts of internet marketing, seo,sem and smo. so SMO is a totally different.

Digital Marketing is a vast domain. It is marketing of products or service using Digital Technologies.
Yes, Social Media Optimization is a part of Internet marketing which comes under Digital Marketing.

Yes, SMO comes in digital marketing.

It is a process of increasing awareness of product services and brands. For SMO social media sites are using.

Yes, it is an emerging market. SMO, SEO and other digital marketing modes are getting more importance and companies are starting separate departments for the same. You can find a huge audience on internet and companies requires the right tools to access them. That is when digital marketing come into play.

SMO or Social Media Marketing may sound silly, posting something on Facebook? Is it so hard? No, it is not hard but choosing the right content is hard and risky. If you post the wrong thing it will reach millions of customers. Companies always hire specialised people.

Digital Marketing is a necessity now.