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Most of the "smartphones" in this era were hybrid devices that combined these existing familiar PDA OSes with basic phone hardware.
The results were devices that were bulkier than either dedicated mobile phones or PDAs, but allowed a limited amount of cellular Internet access.
In 1971, while he was working with Boeing in Huntsville, Alabama, Paraskevakos demonstrated a transmitter and receiver that provided additional ways to communicate with remote equipment.
This formed the original basis for what is now known as caller ID.
Often, local authorities pass their own distracted driving bans—most include the use of cell phones while driving.
A refined version was marketed to consumers in 1994 by Bell South under the name Simon Personal Communicator.
Most smartphones produced from 2012 onward have high-speed mobile broadband 4G LTE capability.
In 1999, the Japanese firm NTT Do Co Mo released the first smartphones to achieve mass adoption within a country.
Various laws in the United States regulate the use of mobile phones and other electronics by motorists. Some laws affect only novice drivers or commercial drivers, while some laws affect all drivers.
Some laws target handheld devices only, while other laws affect both handheld and handsfree devices.