Which of the Following Demonstrates a Downside of Crowdsourcing

Multiple Choice

Which of the following demonstrates a downside of crowdsourcing?

A) Trying to drive up the operating expenses of a rival automobile company, employees at another automobile company clicked repeatedly on the competitor's sponsored link without intending to buy anything.
B) An international funding organization for welfare programs in underdeveloped regions removes data from Wikipedia which described some of the allegations of corruption against the organization.
C) An organization which hires freelance writers for its web-promotion campaigns finds that the quality of work is often sub-standard.
D) A market survey conducted by a home improvement firm revealed that the firm's policy of lowered advertising expenditure and greater focus on generating word-of-mouth publicity had not resulted in the sales targets being met.