This is the part of your site which changes regularly, and is meant to.

It’s much more interesting to say on your social networks, “read my new post” (with a great headline) than “I just added a new service on my website’s services page!

Reinforce your key messages

You may have (if you’re smart) introduced key messages elsewhere in your site but by finding clever ways to blog about these things you can reinforce that you really stand by them