dA | social media ratings and report services
The Most Widely Used Social Marketing Platform | Offerpop
Hootsuite vs. Sendible - a review of two social platforms
Engagement Rate - out of Fanbase or out of Reach? - brnrd.me
Facebook Provides a Perfect Example of Why Domains Are More Important to Businesses Than Social Media
Facebook Is Making It Harder to Reach Audiences Without Paying - TIME
This is why Facebook and Twitter desperately need to change in 2017
Facebook Billionaire Sean Parker Hates The World He Helped Create