May 2021
Beginner
368 pages
6h 50m
English
![]()
![]()
It is those who concentrate on but one thing at a time who advance in this world.
When the McDonald brothers opened McDonald’s restaurant in 1940, they sold everything from barbeque to orange juice. For seven years, the brothers struggled to find long-term success.
In 1948, they analyzed the data and found ...