Final answer:
Many parts of the world have leapfrogged completely over landline technology, particularly in countries like Sub-Saharan Africa where mobile phone access has increased significantly.
Step-by-step explanation:
Many parts of the world have leapfrogged completely over landline technology. This is true. One example of this is seen in Sub-Saharan Africa, where there has been a fivefold increase in mobile phone access, while landline use has not changed significantly. In these countries, mobile phones have helped bypass the need for landline infrastructure, providing people with the ability to communicate, access information, and engage in economic activities.