Karppi examines how platforms use "affective bonds"—like buttons and notification metrics—to stimulate positive emotional reactions. These "emotional flows" make it difficult for users to disengage, creating a state of "banal deception" where users feel socially connected but are actually isolated.

Premiering in March 2018, the Finnish series Deadwind quickly became a cornerstone of modern Nordic Noir .

Both works, though in different fields, use "Karppi" as a vessel to explore the friction between the individual and the overwhelming systems—whether they be criminal conspiracies or social media algorithms—that define the late 2010s.

He argues that these systems are not just tools but "critical media" that define who a user is and what they can become, essentially shaping reality through algorithmic discourse.

The series centers on Sofia Karppi (Pihla Viitala), a detective returning to work in Helsinki shortly after the tragic death of her husband. Her character embodies the "flawed protagonist" trope of the genre—socially isolated, throwing herself into work to avoid personal trauma.

Beyond the central murder investigation of Anna Bergdahl, the series explores corporate corruption, environmental politics, and the moral gray areas of justice. Critics often compare it to The Killing for its slow-burn pacing and focus on the "second story"—the long-term impact of crime on a community. The Scholarly Work: Disconnect (Karppi, 2018)

In the same year, Tero Karppi published Disconnect: Facebook's Affective Bonds , a critical look at how social media platforms maintain user engagement.

In examining " Karppi " (2018), it is essential to distinguish between two distinct but equally significant works released that year: the Finnish crime drama series Karppi (internationally known as Deadwind ) and Tero Karppi’s influential media studies book, Disconnect: Facebook's Affective Bonds . Both explore themes of isolation and the "cold" modern world, albeit through different lenses.