George Kapernaros is the CEO at YOCTO a world-class CRM agency for DTC brands, including being a Klaviyo Elite Partner. Working to increase profits and sales for brands like Better Me, Healf, and Miracare, and he’s also the host of the CEO After Dark podcast AND one of the 40-strong Klaviyo Partner Advisory Council.

In his return to the podcast, George breaks down a real WhatsApp marketing case study from Black Friday, sharing the exact strategy, setup, and results. He shares what worked, what surprised him, and what eCommerce brands can learn before testing WhatsApp themselves.

Dive in:

[05:59] "Targeted WhatsApp Consent Strategy"

[09:21] WhatsApp Outperforms Email Revenue

[12:47] Act Now: Novelty Won’t Last

[15:07] "Brands That Act Win"

[19:43] Insider Tips from George!

Start WhatsApp with existing customers, not new leads

The strongest results came from messaging people who already trusted the brand. The team did not use WhatsApp for acquisition. They only collected opt-ins from existing buyers and subscribers. This reduced risk and kept costs under control. It also meant messages felt expected, not intrusive. For eCommerce brands, this is the safest way to test a new channel.

WhatsApp can massively outperform email when used correctly

In this test, WhatsApp generated far more revenue per recipient than email. The list was much smaller, but engagement was dramatically higher. People open WhatsApp because it feels personal. There is no crowded inbox or promo tab to fight against. With clear offers and proper consent, WhatsApp can drive real sales. It should be treated as a revenue channel, not just a support tool.

Move fast while WhatsApp still has a novelty advantage

WhatsApp works so well right now because it is still new for marketing. Customers are curious and more willing to engage. That advantage will not last forever. Costs will rise as more brands enter the channel. Brands that test now will learn faster and win earlier. Waiting too long means missing easy gains and clear insights.

Takeaways:

WhatsApp isn’t just for chatting with friends—brands are seeing jaw-dropping results when building direct, consent-based campaigns. The brands that test new channels now get ahead before the rest of the market catches on.
Real-world WhatsApp marketing: one brand earned 9x more revenue per recipient on WhatsApp than email, simply by starting small with their loyal customers. Sometimes “less is more” isn’t just a saying—it’s a business strategy.
The key to new platforms? Move quickly and don’t overthink. As George Caponaros shared, being an early adopter meant gaining insights and results competitors will be chasing for months.
Consent matters more than ever. You can’t just start messaging everyone—true permission is central to success and crucial for customer trust. Start with audiences who already believe in your brand.
The WhatsApp “novelty effect” won’t last forever. Now’s the perfect window to experiment, learn what works, and build your next community before your competitors even start.

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