I've got a better one: You write a cheque to somebody, and suddenly your bank lets them see your transaction history. There's a level of control and security o

I've got a better one: You write a cheque to somebody, and suddenly your bank lets them see your transaction history. There's a level of control and security one may sacrifice by doing things online, that doesn't mean the information is automatically public, and it definitely doesn't make it OK for Google to treat it in an entirely unexpected way that actually violates ordinary privacy/access control rules.