When GlaxoSmithKline Sponsored a Weight-Loss Community in Preparation for the Launch

When GlaxoSmithKline sponsored a weight-loss community in preparation for the launch of its first weight-loss drug, Alli, which of the following was the key benefit of the online community?

A) Consumers did not have commercial interests or company affiliations.
B) Democratization of innovation for lowest-common denominator solutions.
C) Two-way information flow led to useful, hard-to-get customer information and insights.
D) A point of contact for product recalls.
E) One-way communication with customers.