If you are alone hosting a webinar session where you have several participants in the room with you it can be a problem keeping the camera on the person who is speaking. Swivl is an inexpensive solution that takes care of the camera for you. Swivl is a small robot on which you can mount a tablet, smartphone or camera. It has a wireless connection to a small microphone and Swivl will rotate to automatically focus on whoever has the microphone. This makes discussions much easier to follow remotely since you always see and hear whoever is speaking.
Here is a short introduction film.