An app Who's in Town shows how much of sensitive location data users unwittingly share on Instagram, and how much their shares reveal, when aggregated (Paris Martineau/Wired)

Paris Martineau / Wired:
An app Who's in Town shows how much of sensitive location data users unwittingly share on Instagram, and how much their shares reveal, when aggregated  —  By aggregating data from geotagged posts and stories, Who's in Town can paint a detailed picture of the habits and haunts of anyone with a Instagram account.

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