How to post to a thread or to begin a new topic:
If you are interested in posting a reply to an existing thread, here’s what you should do.
First, you need to Register for
http://www.aarp.org, if you are registered and signed in, you will be viewing a group you would like to reply to. First, click on Join this Group underneath the Group Picture to the left.
Once you have joined a group you can create a New Topic or Reply to any post within an existing topic. To Create a New Topic simply click on the New Topic button near the top of the screen. You must be at the group level to see this button. If you are in a topic you should click on Back to all Topics link.
You will then be at the group level page.
If you would like to post a reply there are two options for replying.
First, you have the option to reply directly to the topic post, this is shown above and at the top of every page within the group discussion.
Second, If you would like to post a reply to someone who has replied to the original you will want to click on the Reply to Post link at the top of their post.
Enjoy!!