There was a lot of dialogue between the people who were developing Flickr and their users to get feedback on how they wanted Flickr to develop. That interaction made the initial community very strong, and then that seed was there for new people who joined to make the community experience strong for them, too.

The experience of being able to search back over all your team's communications for, in our case, millions of messages, is super-valuable. But you don't know what that's like until you actually have it.

I rarely in a working day go more than 10 minutes without looking at Slack.

Stewart Butterfield Quotes