Feature Toggles or Feature Flags are not new – but they are a hot topic as they allow safer and fearless continuous delivery. Finn Lorbeer ( https://twitter.com/finnlorbeer ) gives us technical insight into how he has been implementing feature toggles in projects he was involved over the last years. We learn why he loves https://github.com/heartysoft/togglez, how to test feature toggles, monitor the impact of features being toggled and how to make sure you don’t end up in a toggle mess.