In the first two posts of this series, we explored the risks of corporate-controlled IoT—from devices being turned into ‘bricks’ to the sustainability challenges facing ‘open-source alternatives’. But what if the bigger danger isn’t just that your smart device will stop working, but that it’s working all too well—just not for you? This post dives into the pervasive, built-in surveillance that has become a standard feature in so-called ‘smart’ devices.

In the last post, I explored the graveyard of ‘bricked’ devices—hardware rendered useless by corporate decisions. It’s a stark reminder that when you don’t control the software, you don’t truly own the hardware. The clear alternative is Open Source, but that path has its own critical vulnerability: sustainability.

But this is where the journey gets complicated. We flee to platforms like Home Assistant and embrace open-hardware projects, expecting a haven of stability and privacy. And while we find it, we often forget a crucial truth: “free and open source” does not mean free to create.

The promise of the “smart home” was a future of convenience, efficiency, and seamless automation. We bought into the vision of light bulbs that dim with a voice command, thermostats that learn our habits, and security systems we can monitor from halfway across the world. But for a growing number of consumers, that dream is turning into a nightmare of expensive, useless hardware. The culprit? A business model built on centralised control and proprietary systems.