The Inbox Index Publisher Edition, Q3 2026: TSN and NYT Wirecutter both arrive seven times a week on a near-perfect rhythm, and score three points apart, because 30% of Wirecutter's sends are selling.
Introducing the Inbox Index. Across Q3, PUMA never once put a deadline in a subject line, and carried a live discount on 83% of days.
A Walrus piece on inbox guilt got the diagnosis right and the fix wrong, so we built the other one.
It started with a morning ritual we hated, deleting emails from brands we actually like.