why the e-Mail has become a critical component for Information governance implementation

According to Franks and Smallwood (2013), information has become the lifeblood of every business organization, and that an increasing volume of information today has increased and exchanged through the use of social networks and Web2.0 tools like blogs, microblogs, and wikis.  When looking at social media in the enterprise, there is a notable difference in functionality between e-mail and social media, and has been documented by research – “…that social media differ greatly from e-mail use due to its maturity and stability.” (Franks & Smallwood, 2013). 

1.Please identify and clearly state what the difference is? 

2. State why the e-Mail has become a critical component for IG implementation?

Need 700 words (350 words on each question) and references on each of the above 2 questions.