How do you instrument your applications in production? While at NDC London, Carl and Richard talked to Joe Guadagno about his efforts using Azure Application Insights to understand how his web applications run under load. Gathering telemetry from your production applications used to be a very case-by-case scenario, but when working the Azure Web Sites, things get a bit simpler, using Azure App Insights. But its far more than just monitoring your web site - App Insights has agents for every kind of smartphone and desktop client imaginable. You can collect a ton of data from every endpoint your application has - the challenge is sorting it all out!