note Used when Tumblr was still somewhat of a niche site in a failed attempt at isolationism Alternatively, Rule #1: Do not speak of Tumblr outside of Tumblr.note Text added to photos or posts of David Karp in the early years of Tumblr.

Rule #1 of Tumblr: always reblog the creator.Further mutations and successor memes, if any.]The explanation behind the meme, if not already part of the description.] note Like this. Please add entries in the following format: