Smartphones ersetzten Kompaktkameras; jetzt stehen GoPros auf der Abschussliste. Chief Executive Nick Woodman went on home-shopping network QVC Inc. in December to boost the Session’s sluggish sales. He pitched the camera at its new price and threw in a tripod and other accessories free. During the 20-minute segment, GoPro sold about 5,000 units, according to…
