Why social eCommerce needed for every eCommerce business?

Social ecommerce is needed for every ecommerce business as it is one of the best methods for marketing, advertising and promotion of your business easily through social media. Apart from promotion and marketing it is used to sell products easily. you can also increase online business sales through social media (Facebook, Twitter etc.,) promotion by just providing offers like discount on purchasing through social media login and get special coupon code by just liking and sharing business page.