Send the following on WhatsApp
Continue to ChatIoT (Internet of Things) https://iot-guider.com/iot/what-is-iot-internet-of-things-simple-definition-and-working/attachment/internet_of_things/
IoT (Internet of Things) https://iot-guider.com/iot/what-is-iot-internet-of-things-simple-definition-and-working/attachment/internet_of_things/