23 After you have studied Economics iun the News on pp. 212–213, answer the following questions.

a What products do Facebook and Google sell?

b In what types of markets do Facebook and Google compete?

c How do social networks and Internet search providers generate revenue?

d What is special about social networking sites that makes them attractive to advertisers?

e What is special about Internet search providers that makes them attractive to advertisers?

f What technological changes might increase the profit of social networks compared with Internet search providers?