Are there any senior forums on the internet? Does Quora have any members over 70 years old?

1. Senior Forums 
This forum is a community for senior citizens and baby boomers. 
https://www.seniorforums.com/
 
2. SENIORSonly CLUB 
This forum is a free online discussion forum for baby boomers and seniors who are fifty or older.
http://www.seniorsonly.club/
 
3. http://seniorforums.net/ provides seniors, the elderly, and boomers with a place to talk with others in the same age group.