I am genuinely curious, what are some of the things they prevent? I am new here and trying to find the one that allows the most free speech. I already know Saidit doesn't allow NSFW content, which is a big minus to me. It isn't like I am porn freak but I do like to look at picture on occasion out of the /r/Ohylympics (sp?) subreddit and could often times follow conversations in there to other parts of reddit that might show some NSFW links.