Facebook open sources Casual Conversations, a data set with paid people who provided their age and gender, to help researchers evaluate fairness of AI models (Kyle Wiggers/VentureBeat)

ndonesian education platform Ruangguru, which claims to serve 15M+ students and 300K+ teachers, raises $150M Series C led by General Atlantic and GGV Capital (Aditya Hadi Pratama/Tech in Asia)