You can't really do random testing on social products because there's no good way to segregate a social network. Too much overlap and sharing. Harm is also subj

You can't really do random testing on social products because there's no good way to segregate a social network. Too much overlap and sharing. Harm is also subjective which makes it very hard to measure. For example, tech that made people more supportive of gay rights would have been considered very harmful until fairly recently by a majority of the population.