Social Capital: https://en.wikipedia.org/wiki/Social_capital
Social Currency: https://en.wikipedia.org/wiki/Social_currency
http://vivaldipartners.com/vpsocialcurrency/about
Jonah Berger: https://marketing.wharton.upenn.edu/profile/311/
6 Principles of Virality: http://www.referralcandy.com/blog/15-examples-of-social-currency-used-in-marketing/
Cover Art Article MTV: http://www.mtv.com/news/1712858/drake-kadir-nelson-nothing-was-the-same-cover/
Take Care: https://en.wikipedia.org/wiki/Take_Care_(album)
Nothing Was The Same: https://en.wikipedia.org/wiki/Nothing_Was_the_Same
IYRTITL: https://en.wikipedia.org/wiki/If_You%27re_Reading_This_It%27s_Too_Late
Views: https://en.wikipedia.org/wiki/Views_(album)
Mobile Media data: http://www.smartinsights.com/mobile-marketing/mobile-marketing-analytics/mobile-marketing-statistics/
Know Your Meme: http://knowyourmeme.com/memes/people/drake