What replaced the job of knocker-upper?
Frequently Asked Question about the extinct profession: Knocker-Upper
The job of knocker-upper, also known as a human alarm clock, has been replaced by modern alarms and digital technology. With the advancement of technology, people no longer rely on a person to wake them up at a specific time. Instead, they use alarms on their phones or clocks to wake them up, making the job of a knocker-upper obsolete.