-
Telegraph
Transmitted messages along a wire -
Radio
First radio signal was received, bringing a new form of communication -
Email
Messages could be sent through computers -
Mobira Senator
Had to be lugged around -
Nokia Cityman
Reduced its weight -
Blackberry 5810
Phones can now be carried in pockets or purses with convenience -
Motorola Razr
Phones become flipable to access a keyboard -
Apple IPhone
Phones become more like a mobile computer