How marketers in a company use social media to Excite, Educate, create Experience and Engage (4Es) with customers

How marketers in a company use social media to Excite, Educate, create Experience and Engage (4Es) with customers NO reference needed! I need 3 detailed real example of how marketers use social media to (4Es) with customers. (No FB, twitter or Ins please.)(i.e. Apple use Linkedin to educate customers; Samsung use Google+ to excite customers.) Please combine this with material i gave.