New answers tagged blog
In order to enable Enterprise Metadata for Posts follow the steps below: go to Blogs list select List Settings and then Enterprise Metadata and Keywords Settings , enable Enterprise Keywords
From the same article you linked to: Note: Usage reports are only available for Document Libraries and Product Catalog lists. I don't want to believe that's true, but it seems to match the observed behaviour of SharePoint 2013 :-(
A bit late to share this information but someone might find this helpfull. I found that the easiest way to add a comments field to a public blog was to simply add http://disqus.com/ so people can leave response by using: Facebook-, google-, twitter- or Disqus accounts. Their API was easy to just Copy&Paste and change some ID's in the script.
In SharePoint 2013 Blog site, all posts are stored in "Posts" List. This list has a column "LikedBy" which stores the Users who has liked that post.
In SharePoint 2013 from your blog, you can select the manage posts link which will list out all your posts. Then you can hover over the smiley face and a popup will show the names of who liked your post.
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