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141years

About 141 years passed between Edison's 1878 list of phonograph uses and Google's 2019 on-device speech recognizer.

Checked against its source on October 16, 2026

How it is calculated: 2019 - 1878 = 141

Calculated from

In 1878, Thomas Edison listed ten uses for the phonograph, and letter writing with dictation was at the top of the list.
Google announced in 2019 an end-to-end, all-neural, on-device speech recognizer to power speech input in Gboard.

141 years from Edison's list to on-device dictation | Yap