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worlds first phone
Motorola was the first company to produce a handheld phone, on April 3 1973, Martin cooper a Motorola researcher who made the first handheld telephone. -
pager ( beeper)
they were developed in the 1950s-1960s but were widely used in the 1980s, its a wireless telecommunication device that could receive alphanumeric or voice messages -
PDA
the main purpose of a PDA was to act as a personal organizer by recording, tracking, and managing personal data. -
smartphone
they changed the landscape of mobile device technology, more advanced than regular mobile devices, really popular to this day -
tablets
combined features of smartphones and laptop computers. they have bigger screens than smartphones, ans users generally find the multimedia applications.
