AWS updated the AWS Customer Agreement on June 28, 2017.

In this update we are improving the terms of the AWS Customer Agreement related to intellectual property rights. These changes include offering uncapped IP infringement protection and removing the patent non-assert clause. AWS customers do not need to take any action to get the benefit of the updates to the online AWS Customer Agreement. The updates took effect on June 28, 2017, and apply to all customers who use the Services under the online AWS Customer Agreement.  

AWS updated the AWS Customer Agreement on March 31, 2017.

We’re constantly looking for ways to make using AWS better for our customers. As part of this process, we updated our AWS Customer Agreement on March 31, 2017 to be easier to read and to clarify how customers can use our services.

By continuing to use AWS Services, you agree to the updated terms and conditions in the AWS Customer Agreement.  

AWS updated the AWS Customer Agreement on March 18, 2016.

We’re constantly looking for ways to make using AWS simpler and easier for our customers. As part of this process, we updated our AWS Customer Agreement on March 18, 2016 to ensure it reflects our latest services and features, further clarify how customers can use our services, and provide more detail on how customer content is protected.

By continuing to use AWS Services, you agree to the updated terms and conditions in the AWS Customer Agreement.

The following has been added to Section 2.3: “…in accordance with Section 12."

June 19, 2015 version:

We may modify this Agreement (including any Policies) at any time by posting a revised version on the AWS Site or by otherwise notifying you in accordance with Section 13.7; provided, however, that we will provide at least 90 days advance notice in accordance with Section 13.7 for adverse changes to any Service Level Agreement. Subject to the 90-day advance notice requirement with respect to adverse changes to Service Level Agreements, the modified terms will become effective upon posting or, if we notify you by email, as stated in the email message. By continuing to use the Service Offerings after the effective date of any modifications to this Agreement, you agree to be bound by the modified terms. It is your responsibility to check the AWS Site regularly for modifications to this Agreement. We last modified this Agreement on the date listed at the end of this Agreement.

March 15, 2012 version:

We may modify this Agreement (including any Policies) at any time by posting a revised version on the AWS Site or by otherwise notifying you in accordance with Section 13.7. The modified terms will become effective upon posting or, if we notify you by email, as stated in the email message. By continuing to use the Service Offerings after the effective date of any modifications to this Agreement, you agree to be bound by the modified terms. It is your responsibility to check the AWS Site regularly for modifications to this Agreement. We last modified this Agreement on the date listed at the beginning of this Agreement.

The following has been added to the definition of “Service Level Agreement”: “… http://aws.amazon.com/route53/sla/ and http://aws.amazon.com/rds/sla/.”