FORTUNE — The point in the attached chart — at Q4 2013 — where the rising blue tide touches the fading brown line represents a milestone in the history of telephony, according to mobile analyst Chetan Sharma. That’s when mobile carriers started making more money moving customers’ data than they made selling voice-calling plans.
Sharma predicts that the U.S. this year will be the first country to generate $100 billion in mobile data revenue, up from $1 billion in 2002:
Sharma’s annotated timeline, published Wednesday, singles out Apple (AAPL) for special mention: “iPhone launches, the world changes” (2007).
The chart is one of 16 slides in a data-rich report available online as a PDF.