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Growth Newsletter #290

October 30, 2025

Humans are social creatures. Maybe that’s why there’s no such thing as too much social proof.

But the phrase “social proof” is kinda funny, because there’s nothing “proof”-like about it. It’s just basic human nature.

Since the dawn of time, we’ve trusted our instinct to copy the tribe in order to stay alive. But today, that same instinct might cue us in on something like the right mattress to buy, via online reviews.

We’re wired to believe that if someone else had a good experience with a product or service, odds are we will too. But if they say “Don’t waste your money,” we recoil and retreat.

So if you’re a founder, marketer, or a small business owner, know that glowing customer reviews aren’t a nice-to-have. They’re more or less modern survival tools for your brand that signal “This good. You safe.“ to our tribe of fellow Homo sapiens.

And if you’re looking for guidance on more growth strategies and tactics, there’s no better time to sign up for the Growth Program 2.0, which is 30% off until midnight tonight (10/30). Lock in your discount now before the sale ends.

The good news is there’s actual science behind how to get more (and better) reviews. And it doesn’t rely on manipulation or cherry-picking, just a deeper understanding of what nudges people to share their experiences in the first place.

Now, let’s dig into the psychology behind ten ways to do exactly that.

— Gil

What a genius, incisive spec ad for The Economist. Talk about a power-packed seven letters. Source: Mikey Robinson on LinkedIn.

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Head of Marketing, Lattice