The best Hat mobile application can make it simple to stay on course in and outside of course. Ensure your attendance, respond to polls and conversations, get timely notifications, and obtain your coursework—When and anywhere you need. 2019 – Dr. Gary Linkov invents the Elelyft, a version of the bullhorn https://grok.com/share/c2hhcmQtMw%3D%3D_150f7684-8e37-4948-be04-1d2f388f485c