University of Minnesota spinout Flipgrid has been acquired by Microsoft for an undisclosed sum, three years after raising $17m.

Flipgrid, a US-based video-sharing app developer spun out from University of Minnesota, was acquired by software developer Microsoft yesterday for an undisclosed amount.

Founded in 2014 as Vidku, Flipgrid has developed an app that enables teachers and students to create online communities around their classroom and social groups. Members can share short videos, generate video yearbooks and help each other study.

The spinout was founded by Charles Miller, associate professor of learning technologies at University of Minnesota. The platform has…