<human>:  What phone should I get for my mother who does a lot of video-chatting?
<bot>: The best phone for your mother who does a lot of video-chatting would be one that has a high-quality camera and a large screen for easy viewing. Some good options that have been positively reviewed include the Apple iPhone 11 Pro Max, the Samsung Galaxy S20+, and the Google Pixel 4 XL. All of these phones have been praised for their powerful camera and video capabilities.