🔗 Nicholas Bate: The Greatest Productivity Tips, 159

Simply because we do not affix a postage stamp to our e-mail does not mean it is free. That mail has a huge cost in productivity terms: for us, in did we craft it correctly first time? For others in lack of certainty perhaps of what is required of them. For others in being cc’d without need.

No, mail isn’t free. It’s extraordinarily expensive.

So true. I would add that Slack is just as expensive, only that you’re making micropayments over the course of the day instead of one lump sum.