Meet the Jamboard from Google: a digital whiteboard with a 55″ display, touchscreen, HD camera, speakers, and WiFi. It allows team members to collaborate from across the world using other Jamboards or an app. You also get handy features such as sticky notes and handwriting recognition.
Jamboard can sense when you are trying to wipe the screen. It is easy to set up for your brainstorming sessions. More info is available here.