A look at what’s next for Instagram as founders leave

When Kevin Systrom and Mike Krieger sold Instagram to Facebook in 2012, the photo-sharing startup’s fiercely loyal fans worried about what would happen to their beloved app under the social media giant’s wings.
None of their worst fears materialized. But now that its founders have announced they are leaving in a swirl of well wishes and vague explanations, some of the same worries are bubbling up again — and then some.