I think it's time we re-invented Usenet by making the subreddits tree-structured. Or at the least, by making a tree-structured list of subreddits. At the momen

I think it's time we re-invented Usenet by making the subreddits tree-structured. Or at the least, by making a tree-structured list of subreddits. At the moment there are thousands of subreddits but the only way to find them is by playing with the 'random' button and hoping for a bit of serendipity.