Answer:
a. Social media surveys
Step-by-step explanation:
Social media surveys is a method for gathering data from potential customers during the market analysis portion of a feasibility study.
Basically, it involves the process of combining social media networks in order to gather specific data (informations) from potential customers. These informations are then used to determine marketing strategies, price and other decision-making processes with respect to the business.
Hence, social media surveys involves the use of social media platforms such as face-book, insta-gram, Twitter, etc.