Even anonymity doesn’t guarantee privacy. Not even in a crowd of millions. That’s the finding of a new study by Massachusetts Institute of Technology (MIT) researchers who found that anonymized mobility data can still result in privacy risks when that data is combined with data from other sources. Data–lots of it–is widely seen as the key to better planning for cities, transportation lines, and any kind of mobility services. But collecting all that data has an unintended privacy risk, even when taking pains to protect people’s identities. […]