Hook: Why teachers and students should care — and fast
Educators and lifelong learners face two linked problems: too many shallow explainers about media history, and too few classroom-ready modules that connect technological change to everyday viewing habits. The recent decision by Netflix (Jan 2026) to remove broad mobile casting support — a move covered in The Verge's Lowpass newsletter — creates a rare, teachable moment. In one stroke, a decade-and-a-half story about how we watch video is suddenly visible in the classroom. This module turns that moment into a 4–6 lesson unit that traces casting’s evolution over 15 years, examines effects on audiences and platforms, and asks students to debate policy, design, and cultural consequences.
Executive summary: What this unit teaches (most important first)
In four to six 50–75 minute lessons, students will:
- Map a 15-year timeline of casting and second-screen control (roughly 2011–2026).
- Analyze primary sources — press releases, news coverage, product pages — to practice media-literacy skills.
- Investigate how casting shaped viewing habits and platform economics, and how Netflix’s January 2026 change signals a shift.
- Prepare and deliver a structured debate on whether companies owe users backward compatibility, transparency, or alternatives.
- Create policy memos or design proposals that translate critical thinking into practical change; consider how AI-driven personalization alters the stakes.
Why this matters in 2026: Trends and stakes
By 2026 the streaming landscape is defined by three converging trends: pervasive smart TVs and living-room streaming, AI-driven personalization on every device, and a renewed fight over platform control and device ecosystems. Netflix’s removal of casting for most devices (reported in January 2026) is not a trivial UX tweak — it highlights tensions between closed ecosystems and the open second-screen model that powered early streaming adoption.
For classrooms, the stakes are practical. Students consume media across devices; they need tools to analyze how small technical decisions change access, privacy, and user agency. This unit builds that competency with historical context and hands-on work.
A 15-year timeline: Key milestones to present to students
Use this timeline as the backbone of lesson 1. Each entry is short, sourceable, and prompts follow-up questions.
- Circa 2011–2013: Early groundwork — New protocols and the idea of
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