1 Why did Comcast join public social networks? What difference did it make for Comcast’s business? What might be the benefits for consumer?

Comcast:
Comcast Corporation is the largest mass media and communications company in the world by revenue. It is the largest cable company and home Internet service provider in the United States, and the nation's third largest home telephone service provider. Comcast provides cable television, broadband Internet, telephone service and in some areas home security (including burglar alarms, surveillance cameras, fire alarm systems and home automation) to both residential and commercial customers in 40 states and the District of Columbia.

Comcast joined public social networks because social media
Social communication has become pervasive and is rapidly becoming the preferred interaction channel for consumers as well as companies. As the objectives for Enterprise Social Networks within organizations become ever wider, links back to business strategy and real measures become more important. There are some measures to measure the success of a social business approach-
Social networking and the enterprise: Social networking has altered the way enterprises engage with their customers, changing their approach to areas such as customer service and brand management. Leading organizations have been taking the concepts of social networking and using them to transform the way they engage with their employees and partners, in areas as diverse as Sales, R&D, Communications and Marketing.
Making the business relevance clear: Developing a benefits case for Enterprise Social Networks involves getting a good understanding of how their capability can be applied to a business; your organization’s strategy, objectives and challenges; and any findings from existing networks in place within your organization engagement of the people within your organization All of the above benefits depend on engagement of the people within your organization. Much as Amazon can’t generate revenue if people cannot work out how to buy a book on their website, if the experience of an Enterprise Social Network is not both relevant and engaging it will be impossible to