Big data for the people: it's time to take it back from our tech overlords

A small number of companies have become extraordinarily rich by harvesting our data. But that wealth belongs to the many

Google knows you're pregnant. Spotify knows your favorite throwback jams.

Is this convenient or creepy? It depends. One minute, you're grateful for the personalized precision of Netflix's recommendations. The next, you're nauseated by the personalized precision of a Facebook ad.