’10 Year Challenge’ Raises Data Mining Concerns

The “10 Year Challenge” has gone viral on social media, leading millions to post side-by-side photos of themselves from a decade ago and now.
It may seem fun, but tech experts say participants would be giving up valuable data without even knowing.
Author Kate O’Neill addressed the potential privacy concerns in a Wire op-ed Wednesday, pointing out that seemingly harmless games and hashtags can generate searchable, neatly packaged information that could be used as training data