They did have your express permission. You gave it when you first signed up for a Google account.
The fact is, they are collecting no more data than they were yesterday. If you are suddenly concerned about your privacy because of this new privacy policy, it's only because you never (truly) cared about it before.
The fact is, they are collecting no more data than they were yesterday. If you are suddenly concerned about your privacy because of this new privacy policy, it's only because you never (truly) cared about it before.