This document discusses the rise of social media and social networking as an important tool for marketing. It notes that digital media allows for two-way and interactive communication as opposed to traditional one-way mass media. The document presents the CRISP model for effective social media marketing, which stands for communication that is coherent, relevant, interactive, simple and pervasive. It also discusses how social capital and trust can be built through social networking platforms. The document is authored by Jessie Paul, CEO of a marketing advisory firm called Paul Writer.