I use this site and it's a complete lifesaver!
https://www.learnthat.org/pages/view/roots.html
Something created by humans? there are alot of things that were created by humans: phones, houses, buildings, watches, clocks, clothes, computers, speakers, microphones,studios, cars, motorcycles, bicycles, books, and much more.
The persuasive technique used in the example given above is emotional appeal because it is trying to connect with the consumers emotions by asking about the cellphone that they are using. By doing that, they are trying to tell the consumer that their product can give a better service than the current product that they own.