Embedded systems

Merriam-Webster definition of embedded: "enclosed closely in or as if in a matrix : set firmly into a mass or material" majority of embedded systems are designed to do some specific task, rather than be a general-purpose computer for multiple tasks Can You give me examples of some embedded systems which are present in this room ? You use in Your every-day life? dominate the planet Earth ? new industrial revolution: Raspberry Pi, Internet-of-Things (IoT) etc.