When ending a MarketPlace listing successfully, Pinsiders can invite user feedback from the other party. Marketplace feedback cannot be removed, but can be responded to by wiredoug.
New! It is now possible for any Pinsider to leave feedback, without an invite. There are some checks in place to avoid abuse and "fake" feedback.
“Thanks for helping me with the schematics!”
“Helped me out with some badly-needed information for my Joker Poker a couple years ago. I haven't forgotten...”