Strategic rivalry in the social media industry has been intense with the markets dominant player Facebook fending off rivals such as Twitter, LinkedIn, and a host of smaller players. As these companies jockey for position through innovative product, differentiation users benefit with imaginative new ways of communicating with her contacts. At the same time, social media companies are finding additional ways to make revenue both through banner ads, and through the sale of information on their users to interested, third-party businesses in particular, the results can be seen not just in the social media market itself, but in the ways that Internet use is being shaped for the future

Question:

How do social media companies differentiate their product in the social media market