Yep. We'll have our core relay set usable by default, and anonymous publishing, so that users don't need a preexisting keypair to read or write publications.
It's possible to read already without logging in, and it will quickly get better when we add search.
What is this icon supposed to do? Doesn’t appear to do anything, but disappear for a few seconds after clicking. 
That's our placeholder for the table of contents.
Early versions of the app had a table of contents, but we've been slowly revamping how we handle publications, specifically to improve performance. When that's complete, we'll reintroduce the ToC.
