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Marketing: SSO premium tracker

Name: The SSO Premium Index
Creator: Digital Signet
License: https://creativecommons.org/licenses/by/4.0/

Email marketing, automation, content. 1 vendors tracked. Median SSO premium: +355%. Highest premium: Intercom at +355%.

Vendor	Base	SSO	Δ%	Verified
Intercom Essential → Expert	$29	$132	+355%	2026-06-02

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