It came up on a recent article.
...We answered:Why is it that often when you post a link to a previous article, the article is
I'd like to apologise for the links which don't work, but we're still in the middle of getting the blog back up (it takes a lot of time, actually). That's why we post links to articles which don't even exist yet, but we'll publish them later this year.that’s because unfortunately the blog is still work in progress … we ‘re reposting older articles and adding in new ones, but that takes time… The links are already there as a “reminder”, sort of. The articles will be online in the next months.
Hope that helps - and apologies for the inconvenience!