Cao, H., Z. Chen, F. Xu, T. Wang, Y. Xu, L. Zhang, and Y. Li. “When Your Friends Become Sellers: An Empirical Study of Social Commerce Site Beidian”. Proceedings of the International AAAI Conference on Web and Social Media, Vol. 14, no. 1, May 2020, pp. 83-94, https://aaai.org/ojs/index.php/ICWSM/article/view/7281.