Facebook Ads, Google Adwords, PPC (pay per click) advertising, and SEO (search engine optimization) are all examples of paid advertising (SEO),
All of the advertising possibilities Facebook offers to advertisers for their clients and their own Facebook page are often considered top social media marketing services. Google lends similar options with distinct benefits in most circumstances, but the vast majority of users utilize both services, so it's not a ""either-or"" situation.