1) The insurance industry employs a wide range of professionals, including underwriters, actuaries, claims adjusters, and insurance agents.

2) The term "bull market" refers to a period of rising stock prices, while a "bear market" refers to a period of falling stock prices.

3) The first photograph of a black hole was captured in 2019 using a network of telescopes around the world.

4) The first successful consumer digital camera, the Apple QuickTake 100, was released in 1994 and had a resolution of 640 x 480 pixels.