It's great to see these tools available on a cloud computing basis. Just make sure you read the ToS:
1.2. From Customer to Google. By submitting, posting or displaying any Customer Data on or through the Service, Customer gives Google a worldwide, non-sublicensable, non-transferable, non-exclusive, terminable, limited license to reproduce, adapt, modify, translate, publish, publicly perform, publicly display and distribute any Customer Data for the sole purpose of enabling Google to provide Customer with the Service in accordance with the Agreement.
1.2. From Customer to Google. By submitting, posting or displaying any Customer Data on or through the Service, Customer gives Google a worldwide, non-sublicensable, non-transferable, non-exclusive, terminable, limited license to reproduce, adapt, modify, translate, publish, publicly perform, publicly display and distribute any Customer Data for the sole purpose of enabling Google to provide Customer with the Service in accordance with the Agreement.