SAP or Salesforce is often the critical piece of software in many an organization. My current assignment (I don't work with SAP though, thankfully) is an energy

SAP or Salesforce is often the critical piece of software in many an organization. My current assignment (I don't work with SAP though, thankfully) is an energy company with ~3 million customers, each and everyone's data is managed in SAP along energy usage, billing/invoicing, the works. Small army of people managing and maintaining it, too.