What is the Internet of Things (IoT)?
The Internet of Things is everything online that is not a computer or a phone. A thermostat that learns your schedule, a watch that counts your steps, a speaker that answers questions, a shelf sensor that knows when a product has sold out. Each device collects data from the physical world, sends it somewhere to be processed and can be told to act in return.
The term was coined in 1999, but the idea only took off once sensors, chips and connectivity became cheap enough to put in almost anything. Connected devices now outnumber the people on the planet, and most of them work quietly without anyone thinking of them as computers at all.
Why it matters
Why IoT matters
For marketers, IoT moves the brand relationship off the screen and into the product and the space around it. A connected device can tell a brand how its product is actually used, prompt a reorder at the right moment, personalize an experience in a store, or keep a customer engaged long after the sale. A fitness tracker is not just a product; it is a daily conversation with its owner, renewed every time it is worn.
It also brings a heavy responsibility. Connected devices see intimate things: when people are home, how they sleep, where they go. Brands that use that data carelessly, or secure it badly, lose trust far faster than they gained it.
In practice
How IoT works in practice
- 01
An IoT system has four layers: the device and its sensors, the connection (Wi-Fi, Bluetooth, cellular), a cloud platform that stores and analyzes the data, and an app or service that turns it into something useful for the customer. Marketing usually lives in that last layer, deciding which moments justify a message and which data is worth asking for. Security belongs in every layer, designed in from the start rather than bolted on at the end.
- 02
In retail and events the work looks different. Beacons, smart displays and connected fixtures respond to people in the space, changing what a screen shows or unlocking an experience on a visitor's phone. The best of these feel like hospitality rather than tracking, because the customer chose to take part and got something worthwhile for it.
Watch out
What people get wrong about IoT
Connecting a product because it can be connected. An app that adds friction to a kettle is not innovation, and customers notice when a device demands an account and a data agreement to do what it did perfectly well offline. The other mistake we see is collecting everything. Every data point gathered is one to secure, disclose and justify, so collect what improves the product and nothing more.
The third is forgetting the end of life. Connected products depend on servers, apps and updates, and when a company stops supporting them, customers are left with a device that no longer does what they paid for. Plan how long a product will be supported, and say so up front, because a brand that switches off its customers' devices is remembered for it.
