buggy whip

Meanings

1. A horsewhip with a long stiff shaft and a relatively short lash, used for driving a horse harnessed to a buggy or other small open carriage.
2. An obsolete product or technology.

Etymology

In the twentieth century, after the advent of widespread automobile use and diminished horse use, the buggy whip became a symbol of obsoleted technologies and disrupted business models. Popularized by German-American economist and professor at Harvard Business School Theodore Levitt in 1960.