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

2) The United States recently held its presidential election in 2020, resulting in Joe Biden being elected as the 46th President of the United States and Kamala Harris as the Vice President, making history as the first female Vice President.

3) The study of fossils is called paleontology, and it helps us understand the history of life on Earth and the process of evolution.

4) The first successful mass-produced personal computer, the IBM PC, was introduced in 1981 and played a significant role in popularizing the use of computers in homes and offices.