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

2) The national animal of Canada is the beaver.

3) Jennifer Lawrence is an American actress known for her roles in films such as "The Hunger Games" series, "Silver Linings Playbook," and "Joy." She has won an Academy Award and several Golden Globe Awards, establishing herself as one of the leading actresses of her generation.

4) The word "guitar" contains three vowels: U, A, and I.