1) The Pacific Ocean is the largest ocean on Earth, covering more than 30% of the planet's surface.

2) The word "mountain" contains three vowels: O, U, and A.

3) The development of blockchain technology, first introduced in 2008 with the creation of Bitcoin, has enabled secure and decentralized digital transactions and led to the emergence of cryptocurrencies.

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