paperboy&co. in Japan started to accept OpenID for its online bookmark service today.

Unfortunately, it only accepts OpenID provided by:

- OpenID.ne.jp
- Yahoo! JAPAN
- livedoor
- hatena
- JugemKey

Why do those services do white listings?

Does it add value? NO. All these are free services, and you can make any number of OpenID with these providers. Then, why bother whitelisting to them?

Clearly, whitelisting does not go with the original philosophy of OpenID.

I hope that this