If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.
What's SSC? I doubt it's one of these.
Others have already explained what it stands for and provided a link; it may be worth adding that the author of that blog is also known on LW as Yvain, who once upon a time was one of the best and most prolific LW contributors; his particularly highly rated posts include one on the notion of "disease", one about metacontrarianism, one clarifying what it means when a model says something is almost certainly true, one on efficient charity, one introducing prospect theory, one about buying houses, one about Schelling fences, one about the worst argu... (read more)