"Therefore the OpenID Foundation invites Apple to:
[...]
Join the OpenID Foundation"
It's not really an "invitation" if they expect Apple to give them money.
It's not really an "invitation" if they expect Apple to give them money.
Even if someone has paid for something, the seller does not have to recognise that a transaction has taken place and would not have to enter or execute the contract. This is especially important in times where there might be a pricing error or something.