Akansha Dixit has one example published here, on WhatsApp.
Improving Product Sense · Social Media · 3 phases
Solving Notification Overload and Media Quality in WhatsApp
Two WhatsApp frustrations, muting and media compression, framed and then sized with research
Read a few side by side
The fastest way to build product sense from this library is to compare two people who took the same product somewhere different.