The document discusses the evolution of customer-driven sales and marketing software. It describes how the founders created Performable to help marketers build websites and generate online business. Performable focused on content management systems, analytics, and email automation. It was later acquired by Hubspot to build out their inbound marketing platform. However, software makers stopped prioritizing the customer experience. The founder then created Drift to use conversational messaging to engage with website visitors in real-time and qualify leads, replacing traditional forms with a more personalized approach.