1) The first commercial GPS (Global Positioning System) was launched in 1989 and provided accurate positioning and navigation capabilities to users worldwide.

2) The International Monetary Fund (IMF) and the World Bank are international financial institutions that work to promote global financial stability and economic development.

3) The word "oxygen" contains two vowels: O and E.

4) Beyoncé, full name Beyoncé Giselle Knowles-Carter, is a highly influential American singer, songwriter, actress, and businesswoman. She rose to fame as a member of the group Destiny's Child and has since achieved success as a solo artist.