Edtech unicorn BYJU'S on Wednesday said it has acquired Bengaluru-based computer vision and AR startup Whodat for an undisclosed sum. This marks the seventh acquisition made by BYJU'S in 2021, including Aakash Educational Services, Toppr and Great Learning. Founded by Sriram Ganesh and Kaushik Das in 2013, Whodat's team and its proprietary computer vision platform will be acquired by BYJU'S.