Yellow pages as an advertising medium have all of the following advantages except which?
a) They are a directional medium because they help consumers know where purchases can be made after other media have created awareness and demand.
b) They are available 24/7/365.
c) They have a long life span/use period.
d) They have excellent geographic coverage, reaching most households with telephones.
e) they are easy to keep up to date
Answer: e) they are easy to keep up to date