Slack can change what the service does — adding or removing features — and if you keep using Slack after being notified, you are legally agreeing to those changes.
Slack can unilaterally modify its services and terms, and simply continuing to use the platform after receiving a notification email counts as your organization's legal agreement to those changes — even if the notification is easy to miss.
Cross-platform context
See how other platforms handle Service Modifications and Updates and similar clauses.
Compare across platforms →Organizations that rely on specific Slack features for compliance or operational purposes may find those features changed or removed, and continued use constitutes acceptance of any new terms associated with the changes.
REGULATORY FRAMEWORK: Unilateral modification clauses are scrutinized under US contract law (requiring adequate notice to be enforceable), EU Directive 93/13/EEC on unfair contract terms, and UK Consumer Rights Act 2015. Under GDPR Article 28(3), changes to data processing activities may require documented amendment to the DPA. The FTC has issued guidance that material changes to privacy practices require affirmative consent, not just continued use.
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