Tech companies—Facebook, Google and IBM, to name a few—are quick to tout the world-changing powers of “big data” gleaned from mobile devices, Web searches, citizen science projects and sensor networks. Never before has so much data been available covering so many areas of interest, whether it’s online shopping trends or cancer research. Still, some scientists caution that particularly when it comes to data, bigger isn’t necessarily better.
Image: http://blogs.scientificamerican.com
