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Mark Zuckerberg has indicated Facebook is considering investigating researchers at the University of Cambridge, where the researcher at the centre of a data breach affecting 87m users was based.
Speaking on day two of his testimony to US lawmakers, the Facebook founder and chief said his company had found "a whole programme associated with Cambridge University".
He said: "There were a number of other researchers [there] building similar apps. So, we do need to understand whether there was something bad going...