App-based mass online data collection
Example publications:
Coutrot, A., Silva, R., Manley, E., de Cothi, W., Sami, S., Bohbot, V., Wiener, J. M., Hölscher, C., Dalton, R. C., Hornberger, M., Spiers, H. J. (2018). Global determinants of navigation ability. Current Biology