Is this forum dead?

Will someone please tell me how to use social media to replace the functions of forums such as this?

By choice I don't have a fb account, but I use my wife's acct when needed, and for an example, I joined a fb group for Ram Cummins, but I don't find that it is broken down into categories, such as forums do with multiple sub categories and threads, so I didn't find the fb group useful at all.