Exploring the Four Main Pillars of Digital Marketing By Invoidea The main pillars of digital marketing encompass SEO (Search Engine Optimization), enhancing website visibility on search engines; SEM (Search Engine Marketing), employing paid advertising for online visibility; SMM (Social Media Marketing), harnessing social platforms for brand promotion; and content marketing, creating valuable content to engage and captivate audiences. https://invoidea.com/blog/main-pillars-of-digital-marketing