Pointernil is referring to the effect when you video conference with someone and they're talking, and looking at the TV screen (ie 'at' the other people). Since

Pointernil is referring to the effect when you video conference with someone and they're talking, and looking at the TV screen (ie 'at' the other people). Since the camera is off-centre from the TV, it looks like they're not looking directly at the audience. While it's unintended, it's quite distracting.