Perhaps build a local-first site for special interest groups. Then using crawler/bots to get traffic from LinkIn to your site and vice versa. I know China has h

Perhaps build a local-first site for special interest groups. Then using crawler/bots to get traffic from LinkIn to your site and vice versa. I know China has huge social networks but smaller one for special interests are still thriving. From that to replace/add LinkIn features are not difficult. You have to build what people need first.