There is no index or way to easily find or navigate from one 'essential' to another. I had to do a search to find out if the 'convenient' article had been published yet. Also, it seems you're falling behind on the six month timeline?
Thanks for the heads-up. We still have a lot of work ahead of us in manually associating related articles. Right now it does it algorithmically but imperfectly, as you've seen. We've associated those two articles so now browsing between them should be easier.
And yeah, we're falling behind in our editorial calendar. The folks at Different have already sent us the first draft of the article, but we've been so consumed with getting this new version of the site live that we're way behind in our editing. It'll be coming up soon, though.