IGC stands for “influencer generated content” – it means the content received from influencers you hire. Such content is unique because influencers are known to find (or are born with) a way to write compelling content that their followers (your target audience?) will be crazy about.
And that’s why influencer generated content is in such a high demand as a method of word-of-mouth marketing!
Below examples are from How Good is the Content I Can Expect to Get From Influencers?:
Tip: Before using ICG, make sure you have a contract that gives you the legal right to use such content:
SMI* = Social Media Influencers