When did the first smartphone go on sale?

Вопрос школьника по предмету Английский язык

When did the first smartphone go on sale?

Ответ учителя по предмету Английский язык

Ответ:

in 1994

Объяснение:

The first smartphone, created by IBM, was invented in 1992 and released for purchase in 1994. It was called the Simon Personal Communicator (SPC). While not very compact and sleek, the device still featured several elements that became staples to every smartphone that followed.