Your Host may be sharing a document or piece of content that is difficult to view in the standard pod view. Move your cursor to the upper right corner of the pod, and you will see a square made of four arrows pointing out. Click there to make the slides take up your full screen. To go back to normal, hover your cursor in the upper right corner, and you will see a square appear, made of four arrows pointing in - click there. You may also request your instructor to "Maximize" the pod, but this will obscure your chat and other pods completely.