Today on The Social, Serena Williams is making a comeback! Then, Madonna reveals who she had the best sex of her life with! And, are A.I. powered toys the solution to too much screen time? Then, running raves are blowing up across Brazil! And, should you remind someone that you've already met? Plus, a university student steps in to play piano during a performance of "La La Land in Concert"! And, one woman is in love with her married writing partner.  Does writing sexy scenes together count as cheating? Then, are socks and sandals fashionable now?  And, should kids be on iPads in restaurants? Plus, the inspiring story of a former felon turned successful CEO.