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Guide: SushiVid's Influencer Marketing Course
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Influencer marketing is a type of marketing that focuses on using key leaders to drive your brand's message to a larger market. Rather than marketing directly to a large group of consumers, you inspire, hire, or pay influencers to spread the word for you — primarily as a PR tool that increases brand awareness and builds affinity through an influencer's reach.

Influencer marketing vs. celebrity marketing. Celebrities are known for their mark outside social media — as actors, athletes, or media personalities — and don't need to be experts in what they're endorsing; the goal is maximum reach. Influencers, by contrast, are specialists who've built a community in a niche space, and typically create and tailor their own content for their audience.

Free vs. paid influencers. Paid arrangements let a brand specify exclusivity terms, brand messaging, and calls to action, track campaign metrics, and review content before it goes live — none of which is guaranteed with an unpaid influencer relationship.

How to choose the right influencer. Look at credibility, reach and engagement rate, cost, and how easily reachable they are, alongside their reputation and past collaborations. Watch for fake influencers by checking follower growth patterns, content quality, and the ratio of likes to followers (engagement rate) relative to comments.

Common mistakes to avoid. Not defining a clear goal for the campaign, choosing influencers by audience size alone, being over-restrictive with content creation, and failing to properly structure agreements and contracts.

Agency vs. do-it-yourself. An agency maintains ties with both brands and influencers, negotiates contracts and rates, and can save time and offer higher-level reporting — though costs can be higher and response times slower. Doing it yourself can be more affordable and faster to respond, but is harder to scale once you're managing more than a handful of influencers, and carries the risk of paying above market rate without realising it.