The lifespans of technological adoptions in the US
I can't stress enough how important this work done by Horace Dediu is. This chart comes from a must-watch presentation he gave in 2016 in London: The Innovator's Stopwatch: When Timing is Everything
This is one of the many passages and charts Alessandro finds in books and articles on a daily basis. They span many disciplines, including:
Alessandro occasionally adds a personal note to them.
The whole collection is available here.