Grandma has been especially fashionable since she was young, and she is constantly in touch with new things. Nowadays, I work in another country, and I go home once a year, so I bought my grandma a smartphone just to make it easier for me to get in touch with her.
Now I open video with my grandmother all day long, as if it is like chatting face to face, since I have a smartphone, I think my grandmother is much more cheerful, really happy.