1) The concept of reinsurance, which is insurance for insurance companies, originated in the 17th century.

2) The word "computer" contains three vowels: O, U, and E.

3) The longest-running TV show in history is "The Simpsons," which has been on the air since 1989 and has over 700 episodes.

4) The sitcom "Friends" is known for its iconic Central Perk coffee shop, where the main characters often gather.