Shut Down Your Office. You Now Work in Slack.
medium.com/backchannel/shut-down-your-office-you-now-work-in-slack-fa83cb7cce6c
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
The messaging service first took over the digital work world. Now it’s everywhere.