It's an important role, because a lot of good content on the web is discovered and paid for by Google services.

- the problem with Android was that it would have to be Google services.

They will, however, be able to access other Google services such as Gmail.

One question about the prospective Google service is how ambitious it will be.

I really like and use a lot of Google services, but it's good to see this come under scrutiny.

We will eventually think of all free Google services as G+.

Increasingly it ties in to other free Google services.

That's only a partial list of new Google services.

While it can be used with a variety of Google services, it's really meant to ease the use of their new service.

Is there a way for me to opt out without joining a Google service?