Inside a company, you can mandate that everyone use the same technology, which means you can go a little bit, I don't know, higher fidelity than the lowest common denominator technology.

I learned so much in the year after Flickr was acquired. People forget, but Flickr launched in February 2004. And a year later, the deal was done with Yahoo, and we closed it in March of 2005. It was really independent for a relatively short period of time.

There are a lot of things that Slack gives you that email doesn't when you think about internal use. Switching to Slack from email for internal communication gives you a lot more transparency.

Stewart Butterfield Quotes