1) The highest-grossing film of all time is "Avengers: Endgame," which has earned over $2.79 billion at the global box office.

2) The word "yesterday" contains three vowels: E, A, and A.

3) The development of artificial intelligence (AI) has led to advancements in areas such as machine learning, natural language processing, and computer vision.

4) The book series "The Chronicles of Narnia" by C.S. Lewis has sold over 100 million copies worldwide.