If you want to know the difference between SEO and SEM, and understand why SEM was once was used as an umbrella term for both, as well as to reap the benefits of paid and organic search activities, implement SEO and SEM tools.
If you want to know the difference between SEO and SEM, and understand why SEM was once was used as an umbrella term for both, as well as to reap the benefits of paid and organic search activities, implement SEO and SEM tools.