11. Content licence from you
11.1 You retain copyright and any other rights you already hold in Content
which you submit, post or display on or through, the Services. By
submitting, posting or displaying the content you give Google a perpetual,
irrevocable, worldwide, royalty-free, and non-exclusive licence to
reproduce, adapt, modify, translate, publish, publicly perform, publicly
display and distribute any Content which you submit, post or display on or
through, the Services. This licence is for the sole purpose of enabling
Google to display, distribute and promote the Services and may be revoked
for certain Services as defined in the Additional Terms of those Services.
11.2 You agree that this licence includes a right for Google to make such
Content available to other companies, organizations or individuals with
whom Google has relationships for the provision of syndicated services, and
to use such Content in connection with the provision of those services.
11.3 You understand that Google, in performing the required technical steps
to provide the Services to our users, may (a) transmit or distribute your
Content over various public networks and in various media; and (b) make
such changes to your Content as are necessary to conform and adapt that
Content to the technical requirements of connecting networks, devices,
services or media. You agree that this licence shall permit Google to take
these actions.
11.4 You confirm and warrant to Google that you have all the rights, power
and authority necessary to grant the above licence.
in addition, i'm not sure if i'm reading it right, but it appears you can revoke the license to google based on the additional terms of those services.