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

2) The musical "Hamilton" has won numerous awards, including 11 Tony Awards and the Pulitzer Prize for Drama.

3) The word "umbrella" contains three vowels: U, E, and A.

4) The total length of your blood vessels can circle the Earth more than twice.