SEO is part of Inbound Marketing. The way marketing was done has changed nowadays. Traditional Marketing is the way, in which companies use advertisements to reach to the consumers. Inbound Marketing is the new way, in which consumers and customers will contact the companies and one of the ways that can be done is using SEO.
SEO is more about discipline, validity of HTML, readability of Content and providing good content in proper way to the readers/internet consumers. If our SEO efforts can do that to the website in such a way that the reader likes it, then Search Engines would automatically like the website.
It is not only marketing companies that will need SEO professionals, but also every company will need a SEO and Content Marketing professionals in future. Every company will realize there is a need for inbound marketing professionals in-house.
Even if you don’t want to work anywhere, you can become a consultant easily after learning SEO. You can be on your own and be a PRO!!