Also, this:

The problem, though is that the corporate “science” of manipulation is a far cry from academic science’s ethics of openness and reproducibility.* That’s already led to some embarrassments in the crossover from corporate to academic modeling (such as Google’s flu trends failures). Researchers within Facebook worried about multiple experiments being performed at once on individual users, which might compromise the results of any one study. Standardized review could have prevented that. But, true to the Silicon Valley ethic of “move fast and break things,” speed was paramount: “There’s no review process. Anyone…could run a test…trying to alter peoples’ behavior,” said one former Facebook data scientist.