Not long ago, the idea of getting paid to share your morning routine online would have sounded absurd. Yet today, influencers are big business: The global market is expected to surpass US$32 billion by the end of 2025.

Rooted in celebrity culture but driven by digital platforms, the influencer economy represents a powerful force in both commerce and culture. I’m an expert on digital consumer research, and I see the rise of influencers as an important evolution in the relationship between companies, consumers and creators.

Historically, brands leaned on traditional celebrities like musicians, athletes and actors to endorse their products. However, by the late 2000s, social media platforms opened the door for everyday people to build audiences. Initially, influencers were viewed as a low-cost marketing tactic. Soon, however, they became a central part of marketing strategies.

In the 2010s, influencer marketing matured into a global industry. Agencies and digital marketplaces emerged to professionalize influencer-brand matchmaking, and regulators like the Federal Trade Commission started paying more attention to sponsored content.

The rise of video and short-form content like TikTok and Reels in the mid-2010s and 2020s added authenticity and emotional immediacy. These dynamics deepened influencer-follower relations in ways that brands couldn’t easily replicate. Influencers are now recognized as not only content creators, but also as entrepreneurs and cultural producers.

Social media influencers often foster what researchers call “parasocial relationships” – one-sided bonds where followers feel as if they personally know the influencer. While the concept has roots in traditional celebrity culture, influencers amplify it........

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