Tufekci, Zeynep. “Who Acquires Friends Through Social Media and Why? “Rich Get Richer” Versus ‘Seek and Ye Shall Find’”. Proceedings of the International AAAI Conference on Web and Social Media 4, no. 1 (May 16, 2010): 170–177. Accessed May 25, 2026. https://ojs.aaai.org/index.php/ICWSM/article/view/14025.