1. Big Data’s Big Impact on Future of Advertising
https://www.recode.net/2015/6/22/11563780/big-datas-big-impact-on-the-future-of-advertising
3. what-cancer-researchers-can-learn-from-direct-to-consumer-companies
https://hbr.org/2017/01/what-cancer-researchers-can-learn-from-direct-to-consumer-companies
3.3 the-history-of-social-networking
https://www.digitaltrends.com/features/the-history-of-social-networking/