Forget 'Big Data.' Beware 'Little Data' — and the Horrors of TMI


How much data is too much data?

I’m pretty sure I knew the answer — you’ll know when your head starts swimming — back when I studied statistics in high school, but now I’m not so sure anymore. Because now my head always feels like it’s swimming in data; that’s my brain’s default state.

And beyond your phone, much of your other stuff is spitting out data — and telling on you — too. (The Internet of Things is only just beginning.) Consider what Dirk Wollschlger, general manager of IBM’s global automotive operations, recently told John R. Quain of The New York Times: “Cars are generating a huge amount of data, some billion gigabytes of data every year.”

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