Social media reach is rented. The email list is owned. Today, that distinction has never mattered more, and the brands that understand it early are the ones quietly outperforming everyone else.
As algorithms tighten, the case for email keeps getting stronger. Statista projects over 4.6 billion email users globally by 2025, a figure that outnumbers the active user base of any single social platform (Statista, 2024). Unlike a TikTok or Instagram feed, email lands in a space the user chose to share. The intention behind the open is fundamentally different from the intention behind a scroll.
What has changed is the standard. Chaffey and Ellis-Chadwick (2023) note that mobile-first design is no longer optional as a significant portion of email opens now happen on mobile, which means the layout, typography, and CTA hierarchy must be designed for a screen, not a desktop inbox. But beyond responsiveness, the bigger shift is in personalisation. Traditional tactics, a first name in the subject line, no longer cut through. The 2025 benchmark is hyper-personalisation: content shaped by behavioural signals, purchase history, and real-time contextual data.
What Actually Works Now
Madewell, The RealReal, and Rare Beauty launched Substack newsletters earlier this year, making a deliberate move toward long-form, editorially driven email content that readers actually choose to seek out (Marketing Brew, 2025). This is not a coincidence. As Berger (2013) argues, content spreads when it provides social currency, when it makes the reader feel informed, ahead of the curve, or part of something. A newsletter that reads like a curated letter is more likely to do that than a promotional blast.
Interactive elements are also gaining ground. Embedded polls, carousels, and gamified content transform email from a one-way broadcast into a genuine touchpoint. During Pride Month in June, brands that used email to invite participation, rather than simply declare support, earned measurably stronger engagement. The distinction between performing values and enacting them in the design of the email is visible to the readers.
The brands winning in email right now are doing three things consistently - they're owning a distinct voice, segmenting with precision, and treating every send as an editorial decision, not just a marketing one. The inbox is one of the few places left where brands can still have a real conversation with their audience.
REFERENCES
Berger, J. (2013) Contagious: Why Things Catch On. New York: Simon & Schuster.
Chaffey, D. and Ellis-Chadwick, F. (2023) Digital Marketing: Strategy, Implementation and Practice. 8th edn. Harlow: Pearson Education.
Strongitharm, J. (2025) How to create a newsletter from scratch. Venngage. Available at: https://venngage.com/blog/newsletter/ (Accessed: 1 June 2025).
