Here is a link to an article that explains the claiming strategies that were eliminated recently: http://time.com/money/4105571/new-social-security-claiming-rules/
No one expected these changes to go into effect any time soon, if at all, even though President Obama had proposed these changes. Most thought these proposals were dead in the water. However, without any prior notice, they were included in a spending bill and approved by Congress.
If you would like a further explanation or if these strategies were included in your financial plan, please contact your financial advisor to see how the elimination of these strategies affects your long-term outlook.