This app is a simple diary for recording memories that occur throughout the day. This app is for research purposes only and is part of an ongoing study on memory carried out at University College London. Participants who are part of the study can use the app to log their memories each day. You should only download / use this app if you are part of a research study that has instructed you to do so. Participants who are part of the research study will be provided with the relevant information reuired to log in to the app. The app involves a simple diary that allows the user to record a brief description of each memory and their corresponding vividness and nowness. The information you report is then sent to the study's database for inclusion in the results. The app will send you a notification twice a day to remind you to fill in the diary.