







An open letter, or something
Slack is work chat's runaway train, raises $200M at $3.8B | TechCrunch
The Slack rocketship won't slow down. The business messaging startup has raised $200 million at a $3.8 billion post-money valuation, the company confirms


Why Slack is inappropriate for open source communications | Dave Cheney
Full disclosure: my employer makes a Slack alternative. All my concerns about the use of Slack type chat services apply equally to its competitors, including my employer’s.
From 0 to $1B - Slack's Founder Shares Their Epic Launch Strategy
“HELL YEAH WE'RE USING @SlackHQ AT WORK I. LOVE. SLACK.”

Slack is not where 'deep work' happens
How did you start your day today? Probably reached for the phone. Turned off the alarm. Glanced at the time. Scrolled through the Slack...

Slack's rapid growth slows as it hits 1.25M paying work chatters | TechCrunch
Slack is still growing fast, about 33% in daily users and paid seats in the last 5 months. But not as fast as before, when it saw 50% DAU growth and 63%

Slack didn’t kill email — and it might have made it stronger
Front’s Mathilde Collin on why email is making a comeback

How to make Slack less bad for you | Robert Heaton
Slack claim to be in the business of "making your working life simpler, more pleasant, and more productive". We’re about to be cynical, so let’s acknowledge that this claim is probably at least par...
An open letter to Stewart Butterfield: Why Slack will never replace email.
Hello Mr Butterfield,

Slack is not for me
I began 2018 choosing to log out of Slack. More than a month later, I have yet to log back in.
The Psychology of a Billion-Dollar Enterprise App: Why Is Slack So Habit-Forming?
Slack isn’t just another office collaboration app. The company has been called, “the fastest-growing workplace software ever.” Recent press…

Please don't use Slack for FOSS projects
This blog post was published on November 1, 2015. It might be out of date, have broken images or links, or simply contain bad ideas and opinions that didn't stand the test of time. Please read generously!

Slack’s Threading Failure #threadfail
Slack, as I’m sure everyone now knows, introduced their new threading feature after many years of planning and customer requests. From the…

Five US tech giants' hidden debts soar to $1.65tn on opaque AI funding
Data center leases, GPU supply contracts raise liabilities at Meta, Oracle, Nikkei study shows

Slack, I’m Breaking Up with You
Hey there, Slack. This won’t be easy, but it’s for the best.
