What’s the best tablet for video calling grandma?

Chris needs a tablet or video-calling device for his grandma’s Covid-19 isolation. What are the options?I want to get my grandma a tablet for easy video calling. She is elderly and needs to self-isolate, and she is already quite isolated after the recent death of her husband. I am not sure which tablet or which program to use. She isn’t very computer literate.This new Facebook thing looks good but I am sceptical of the brand. ChrisVideo calling used to be a futuristic topic. Today, i