Ответ:

1.I think that many older people find it difficult to master the use of a computer.The desire to maintain stability makes it difficult for them to learn to use a computer. In the vastness of the Internet, they get lost and confused, and therefore most often prefer a stable life. It is also difficult for them to use new gadgets because everything is new for them. They are not used to such drastic changes because they were born in a completely different time.

2.Yes, I once tried to use it with my grandfather. He wanted to learn how to send emails to communicate with his family. He is often bored and not all relatives manage to visit him. Thus, having learned how to use messages, he can easily establish a connection with them. At first it was difficult for him, but now he can easily send messages to his loved ones.