[pavel_lishin]

> If the account does not already exist, an account activation link/code is sent.

That's not great for all use cases, though - if I'm just trying to check out of a store, I don't want to have to bounce to my email to confirm stuff.

[JimDabell]

If you're just trying to check out of a store, you don't have to sign up for an account at all. Or if you do want to create an account, you can have it as an optional step after you've placed the order.