Is sharing your smartphone PIN part of a healthy relationship?

Would you share your smartphone PIN with your partner? More than half of people surveyed think that doing so is a common and healthy part of modern relationships, although only slightly more than half actually hand over their security details. Fewer still approve of other digital sharing, such as internet search history or location data.

Periwinkle Doerfler at New York University and her colleagues came to these conclusions after investigating public habits and perceptions of sharing smartphone access with partners, and they found that there was no strong consensus…