Instagram co-founders Kevin Systrom and Mike Krieger have joined a $30-million Series B funding round of work video messenger startup Loom, which was led by Sequoia. Venture capital firm Kleiner Perkins, Figma CEO Dylan Field and Front CEO Mathilde Collin also participated in the funding round. Loom was founded in 2016 by Shahed Khan, Vinay Hiremath and Joe Thomas.