My dad, at age 92, spends a large part of the day playing games on the computer. As far as participating on any forum, no way would he. I got my introversion from him. However, he does have friends and enjoys meeting for lunch, etc. My mom wouldn't have either. She really didn't like even sending emails much. I have to laugh because she took a typing course at the local business school and wasn't really very good at it. But she did tickle the instructor. My mom was an extrovert and it was easy for her to talk to people and easy for them to like her.