Use of social In-site in CRM-2016

Hi all, 

Just started with CRM 2016(On-Permises)  and in that found that social Insights in the customization found that Every form  has a social Insights. How to use that effectively. 

Also to that i want to link the social Account (eg: linkedIn or facebook) to it so that it will be easy for users to view those contact profile in CRM . So how to achieve that any help would be grate