Speed doesn’t always equal quality. While speed and agility are essential when it comes to delivering products and meeting high customer expectations, customer journeys span multiple devices and touchpoints, and complex platform architectures make each release riskier and harder to test. 

A test and learn approach empowers teams to challenge assumptions. It is a way to quantify customer impact early and often, using feature flags and A/B tests for product validation. Testing and learning transform the delivery model to Design > Build > Experiment > Iterate. 

This guide includes:  

• How testing and learning deploys fast and fearlessly 
• How product teams use data to test, learn and adapt 
• A quick way to assemble a smarter tech stack