1) The speed of a sneeze can reach up to 100 miles per hour (160 kilometers per hour).

2) The first smartphone, the IBM Simon, was introduced in 1992 and featured a touchscreen, email capabilities, and apps such as a calendar and calculator.

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

4) The first bank in the world, Banca Monte dei Paschi di Siena, was established in Italy in 1472 and is still in operation today.