The article discusses the history and significance of SAP, a leading enterprise resource planning (ERP) software company. ERP software is used by companies to store and manage their core operational data, and SAP's software is designed to be extensible and integrated across multiple business processes. The article also touches on the challenges of implementing ERP systems, including high costs and risks. Today, SAP is a giant in the software industry, with a market cap of almost $150B and $25B in annual revenue.