

4.
a. Most American advertising companies had an office in Madison Avenue in the 1960s.
b. “Mad Men” was the name for people who worked in Madison Avenue 1960s.
c. Madwell is a digital design and advertising company.
d. It can take up to two months to write a short social media post.
e. Advertisers can engage in a conversation with clients these days – if they want.
f. Nowadays, many effects of social media are still unknown.



