A look at Tel Aviv-based Rayzone, which quietly harvests ad data to help governments track people via their phones using its Echo tool, sold around the globe (Ryan Gallagher/Bloomberg) 11-05-2023

Ryan Gallagher / Bloomberg:
A look at Tel Aviv-based Rayzone, which quietly harvests ad data to help governments track people via their phones using its Echo tool, sold around the globe — The innovation at the heart of the advertising technology industry is automated auctions to trade real-time data about mobile phone users …