 well i would say in the case of google it's it's probably undoubtedly nefarious in the sense that google is is gleeful about this and face book usually does it under pressure uh... and the and i'll tell anybody this is so there's something that technique that they use for censoring images it's got near duplicate hashing and and this is a way of of trying to cut of adding a hash into a database of a band image so that other people can't post it