1. Social media is transforming e-commerce by connecting customers and companies in new ways and shifting retailers' focus towards social sharing.
2. Social networks like Twitter, Facebook, and email can drive significant assisted revenue per social media share, with Twitter driving the most at $26.12 per share.
3. Social commerce links social media and e-commerce by allowing people to discover, select, and refer products through activities like sharing purchases on social networks and generating increased sales, conversions, and referrals for e-commerce companies.