Topic
phones
2 questions tagged phones — spanning every one of the seven Ws.
when
When was the first smartphone released?
The IBM Simon, widely called the first smartphone, went on sale in August 1994.
phonestechnology
how
How Do Mobile Phone Networks Work?
Mobile networks divide land into 'cells', each served by a base station; your phone talks by radio to the nearest one, which connects to the wider network.
technologycommunicationphones