Amazon ad revenue alone ($2.2 billion) for Q2 was already around 15% of Facebook's total Q2 revenue ($13 billion). That is nuts, if they have any room to grow that further, since ads isn't even Amazon's specialty.
For reference, Snapchat did $290 million in the same timeframe, Twitter $660 million.
For reference, Snapchat did $290 million in the same timeframe, Twitter $660 million.