SAP S/4HANA is SAP's ERP suite redesigned over the SAP HANA platform. Most SAP consultants which i talk to generally have heard about HANA or S/4HANA. But there's a lot of selling jargon behind this, it is typically baffling to put your finger firmly on what HANA or S/4HANA is https://sap-supply-chain05936.webbuzzfeed.com/34393641/the-s-4hana-diaries