The Top Hat mobile app can make it simple to stay on target in and outside of class. Validate your attendance, reply to polls and conversations, get well timed notifications, and access your coursework—Every time and wherever you desire. 2019 – Dr. Gary Linkov invents the Elelyft, a Model from https://grok.com/share/c2hhcmQtMw%3D%3D_150f7684-8e37-4948-be04-1d2f388f485c