What would it take to make an age-friendly city?

Planned, multi-generational communities might be great for those who can afford them. The rest of us need cities better equipped for older people.
Read more: https://www.theguardian.com/sustainable-business/2016/dec/07/age-friendly-cities-loneliness-older-people-housing-planned-community-serenbe-atlanta-lyft?source=Snapzu