1/ An another thread, @RahultheWaffle asked me a question about how we use customer-driven techniques (from medium.com/@Johnmont_6796…). 2/ When I say “aggregate data” I’m referring to things like those surveys of developers you read that say 33% of them are using thus and such a framework or language, or that 15% of customers are dissatisfied, or telemetry/analytics data that says 10% of people clicked on a link