There's no technical reason it has to be a few organisations. Anyone can set up a provider. The only OpenID i use regularly is from Stack Exchange: https://ope

There's no technical reason it has to be a few organisations. Anyone can set up a provider. The only OpenID i use regularly is from Stack Exchange: https://openid.stackexchange.com/ https://openid.stackexchange.com/ HN could be a provider! You could be news.ycombinator.com/api, which admittedly would be a very confusing name to the casual observer. The reason it all ended up being centralised is that almost nobody really valued it being decentralised.