Building a permission-based email list: Although email is not generally considered “social media”, an opt-in email list is transferrable to multiple platforms whereas follows, friends and connections are locked into individual social media platforms.
Education: Closely related to communities of practice.
Influence Marketing: use of endorsements and product mentions from influencers (individuals who have a dedicated social following and are viewed as experts within their niche).
Patreon (or similar) Promotion: A popular revenue model with content producers relies on gift economics: quality content is produced free of charge but dedicated fans can support the producer with regular micro-payments starting at $1/month. Based on Kevin Kelly’s 1000 True Fans model.
Direct Sales: Social media is often the first step in an online sales funnel that ends in a cart
checkout process.
Targeted Advertising: Most platforms offer pay-per-click ads that can be targeted by location and information provided by their FBI agent.
Brand Awareness: A bit of a fuzzy term but has a big role in the social media campaigns of local businesses.