Happy they were able to clarify PotB somewhat. I personally think a Vorpal Maul would still be kind of hilarious, but opening it to ranged weapons is pretty nice. And yea, I know, DMs choice. ;)
"Threads" are the thing you put "posts" in. "Posting a link" is just putting a website address into a post on a thread. You can do that after your third post here. As for "spam", it's just like the mail version. Junk nobody wants or posting a bunch of posts one after the other. Stick around...
My one PWYW (and only current product) is sitting at about 6% paid from total sales. Total gross of $3.01, but it is very new. I'm intrigued by the idea of putting it behind a small paywall and making a vastly trimmed down version as a PWYW "trial" version. I've only seen one poster mention...