Facebook was the leader in U.S. ad spending revenues on social networks in 2016. What company earned the second most amount of ad spending revenue?

Currency markets operate under a system in which the prices of different currencies move up or down based on the demand for and supply of each currency. This is the system of__________

Fill in the blanks with correct word.

A small U.S. print studio uses Facebook and Pinterest to promote its stationery and other products

The regular posts and reviews from customers have attracted the attention of several companies worldwide who like to customize their office stationaries and supplies. This is an effect of _____. a. contract manufacturing b. using social media to expand beyond local markets c. using dumping to export products d. product differentiation