In 1969 Penn central equipped the trains that run along the 360 km new York route with special pay phones that would allow the passengers to call someone while the being on the train.
A antenna was placed in Chicago in 1977 which allowed users to travel and switch towers during a call.
in 1997 the nokia 6110 came out it had three games memory, snake and logic, it also had a calculator and a clock.
Then in 1999 the blackberry 850 was introduced.