In the early 1980s, the breakup of AT&T created more service providers known as the Baby Bells. With the recent acquisition of T-Mobile, AT&T is taking a step towards becoming one of the most dominant players in the US telecom industry again.
The following diagram from the Wall Street Journal takes you through a period of the industry’s mergers and acquisitions in the past 25 years.
This nicely color-coded diagram is both aesthetically appealing and insightful, but missing a few elements in the legend:
- Thicker lines: largest two remaining players
- Solid circles: entities that survived
- Hollow circles: entities that essentially died off