The video is free to use, but you must cite this paper: ’t Hart, B.M. & Einhäuser, W. (2012). Mind the step: complementary effects of an implicit task on eye and head movements in real-life gaze allocation. Exp Brain Res, 223: 233. https://doi.org/10.1007/s00221-012-3254-x There are several different formats with the same video. For use in PowerPoint the H264 version might be best. The video show...