How to Get Your K-Factor Up by 10x
Posted2 months ago
vortexsoftware.comOtherstory
skepticalmixed
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MarketingGrowth HackingViral Loops
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Marketing
Growth Hacking
Viral Loops
The post promotes a software company's product by claiming to help increase a product's k-factor, sparking skepticism among readers about the legitimacy and effectiveness of the claim.
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Oct 28, 2025 at 9:59 AM EDT
2 months ago
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When we nailed them, we scaled from 10 → 25,000 signups/day. When we didn’t, growth flatlined. And as a16z’s Andrew Chen has pointed out, the viral playbook that built Web 2.0 basically got lost in the mobile era.
So we built Vortex, the infrastructure that brings virality back (Auth0 for invites). Teams at GitLab, Rappi, New Relic and others are already installing it, seeing up to 10X lift in invite-to-activation.
We’re opening free beta spots. Want one? Grab one here: https://cal.com/santi-a/30min