In the early 1980s, McKinsey told my employer at the time, AT&T, that the global market for mobile phones would top out at roughly 900,000 subscribers by 2000. The actual number was 100 million. A decade later, AT&T paid $11.5 billion for Read More
In the early 1980s, McKinsey told my employer at the time, AT&T, that the global market for mobile phones would top out at roughly 900,000 subscribers by 2000. The actual number was 100 million. A decade later, AT&T paid $11.5 billion for Read More