The PIEL Survey app is a research survey reader. This app does not deliver paid surveys. It reads surveys produced by researchers. The app is primarily designed to run "in the moment" surveys, also known as Ecological Momentary Assessment (EMA) or Experience Sampling Method (ESM). See: https://en.wikipedia.org/wiki/Experience_sampling_method This type of survey method delivers a more complete understanding of a participant's thoughts and feelings than traditional survey methods. This approach