References
Mobile phones worldwide: According to Statista: https://www.bankmycell.com/blog/how-many-phones-are-in-the-world
https://www.wpgfdn.org/community/artful-education-at-the-forks/
Mobile phones worldwide: According to Statista: https://www.bankmycell.com/blog/how-many-phones-are-in-the-world
https://www.wpgfdn.org/community/artful-education-at-the-forks/