1) The concept of banking dates back thousands of years, with evidence of early banking activities found in ancient civilizations such as Mesopotamia and Egypt.

2) The Federal Reserve System, often referred to as the Fed, is the central banking system of the United States.

3) A group of flamingos is called a "flamboyance."

4) The Internet of Things (IoT) refers to the network of physical devices, vehicles, appliances, and other objects embedded with sensors, software, and connectivity.