There is a very famous experiment which has been reproduced many times - I don't know if this is the original: https://pmc.ncbi.nlm.nih.gov/articles/PMC10437101

There is a very famous experiment which has been reproduced many times - I don't know if this is the original: https://pmc.ncbi.nlm.nih.gov/articles/PMC10437101/ https://pmc.ncbi.nlm.nih.gov/articles/PMC10437101/ - where you can measurably impact how much strangers will donate to a charitable cause simply by painting a pair of eyes on the donation box. I imagine this "hologram" is largely the same effect.