WhatsApp usage patterns and prediction of demographic characteristics without access to message content
Avi Rosenfeld, Sigal Sina, David H. Sarne, Or Avidov, Sarit Kraus · Demographic Research · 2018
Social networks on the Internet have become ubiquitous applications that allow people to easily share text, pictures, and audio and video files. Popular networks include WhatsApp, Facebook, Reddit, and LinkedIn.