Whether you’re addressing a group of people at work, or having a one-on-one conversation with a friend, you have the challenge of competing for their attention with their phone (and everything on it). And beyond that, there’s the question of whether they’ll actually retain anything you’ve told them.
source https://lifehacker.com/how-to-use-metaphors-to-keep-people-attentive-and-engag-1846946280