However, anyone can subscribe to the FamilySearch.org Blog with a reader or aggregator program. The question asked whether or not there was a way to subscribe to a specific sub-set of the entire blog. Yes, when you go to the FamilySearch blog, you will see a list of the various categories of blog posts. Each of these categories has a different URL. So, if you subscribe to that particular sub-blog in a reader, you should receive updates only when something is added to that section. Here is a screenshot showing the list of specific blogs:
In some reader programs, such as Feedly.com, you can subscribe to a specific URL rather than through an RSS feed. For information and explanations on subscribing see the following:
You can also search on Google for "subscribing to a blog introduction."