Unit
Digital Footprint
Students look at what they post online, the data they leave behind without realizing it, and how to protect their privacy.
Lessons
Nothing you post online is ever truly gone—not the group chat, not the "finsta" (fake Instagram), not the disappearing Snapchat. This lesson unpacks the concepts of public, private, and permanent content, and challenges students to think about the invisible audience watching everything they share.
Every click, search, and scroll leaves a trail that companies are quietly following. Explore the tools websites use to track browsing habits and meet the data brokers who profit from that information.
Free apps aren't actually free; you're the one paying, just not with money. This lesson unpacks how apps profit from user data and turn attention into advertising dollars.
Deleting a post doesn't actually delete it—screenshots, backups, and app permissions keep your data alive long after you hit that button. This lesson unpacks how app permissions work, why some access is necessary and some is exploitative, and how students can audit and lock down their own devices.
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