Which of the following is the best defi nition of social commerce?

a. It encompasses any aspect of buying and selling products and services or supporting customers through the use of social media.

b. It is another term for group buying or committee buying within corporations.

c. It encompasses all of the communication traffi c on a given social network.

d. It refers to the communication aspects of marketing and selling, as distinct from the transactional and fi nancial aspects.