rse: 90% of world's data generated over last two years. 2013. Adi Shamir. How to share a secret. Communications of the ACM. 22(11):612-613. 1979. Latanya Sweeney. k-anonymity: A model for protecting privacy. international Journal of Uncertainty. Fuzziness and Knowledge-Based Systems. I0(05):557-570. 2002.