When a state representative named Thom Tillis ran for U.S. Senate in North Carolina in 2014, his campaign followed the now-standard practice of sending voters online and direct-mail advertisements referring to particular issues. Which issues mattered to which people, from ISIS to the Affordable Care Act, could be gleaned from the voters’ memberships and…

Read more on technologyreview.com.

اسے اردو میں پڑھیں