A successful digital survey will give you clear, dependable, and actionable information to help you make better decisions. Great surveys have higher response rates, better data, and are simple to complete. Migration of surveys from "offline" to "online" has been a significant phenomena that has gotten little methodological study. What are the best practises for creating online questionnaires? Should we ask the same questions on the web as we did in face-to-face or phone surveys? Is it a good idea to ask questions in a matrix format?