1) Online banking and mobile banking have become increasingly popular, providing convenient access to banking services through digital platforms.

2) A single bolt of lightning can heat the surrounding air to temperatures five times hotter than the surface of the sun.

3) J.K. Rowling's "Harry Potter" series of books has sold over 500 million copies worldwide and has been translated into 80 languages.

4) Leonardo DiCaprio is an acclaimed American actor and environmental activist. He has starred in numerous successful films, including "Titanic," "The Revenant," and "The Wolf of Wall Street," and has been recognized with several awards, including an Academy Award.