If everyone has their own centralized platform then perhaps there can be a mechanism that lets them share their personal data with others in a crowdsource way.

If everyone has their own centralized platform then perhaps there can be a mechanism that lets them share their personal data with others in a crowdsource way. Or better yet, perhaps everyone's platform can be parts in a large map reduce. By the way, so many people will have the same problems, so it seems possible that solutions to common problems can be shared.