Pour rappel, Slack permet de lire les conversations privées des employés à partir du pack plus (https://iscool.slack.com/pricing/ + https://iscool.slack.com/pricing/plus)

Donc voilà.

EDIT: Mais il semblerait que la société derrière Slack s'assure que cette feature est utilisée correctement et que les membres sont notifiés:
"""
We understand that team members may be concerned about team owners having access to their private communications. So we’ve added some protections to ensure that it’s being used appropriately. The most important of which is that this feature is not retroactive. Past private conversations will remain private. In addition, here are some of the steps we are taking and limitations we’ve put in place:
(...)
Once the feature is enabled, we will notify team members via Slack that the feature is active and that their private messages are subject to export.
"""
source: http://slackhq.com/post/103473448150/slacks-policy-update

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