The Reddit founders talk about this in their episode of "How I Built This": https://www.npr.org/2017/10/03/545635014/live-episode-reddit-alexis-ohanian-steve-h

The Reddit founders talk about this in their episode of "How I Built This": https://www.npr.org/2017/10/03/545635014/live-episode-reddit-alexis-ohanian-steve-huffman https://www.npr.org/2017/10/03/545635014/live-episode-reddit... At about 19:40 is where they talk about seeding the community.