A look back at the rise of the custom ringtone industry, which had sales of $1.1B at its peak in 2007 before sales shrunk by 97% in the following decade (Gil Kazimirov/OneZero )

Gil Kazimirov / OneZero :
A look back at the rise of the custom ringtone industry, which had sales of $1.1B at its peak in 2007 before sales shrunk by 97% in the following decade  —  Before the iPhone, Venmo, or Spotify, there were ringtones.  You might remember them fondly as those lo-fidelity sounds we used …