The document discusses the progression of a company's knowledge management efforts over time from 1999 to 2011. It started with basic document management systems and gradually advanced to include collaboration platforms like SharePoint. Challenges included search issues and redundant information silos. The company then developed an open, aggregated system called "Hello" using various open source and custom tools that focused on users and tacit knowledge sharing. Finally, it introduced a centralized search portal called FAST to help employees find people and information across systems. Change management and an active adoption strategy were important to encouraging new ways of working.