Blog

Thoughts on campaigns, design, and Africa.

Published by the Karta team. No growth-hacking fluff — just what we're learning building the product.

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Why attendee share cards are the most underused campaign tool in Africa

Every major conference spends thousands on keynote speakers and venue branding. Then every attendee posts a personal photo with no context. We fixed that.

May 14, 20266 min read

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Design

The zone system: how Karta cards stay on-brand at any scale

Behind every personalized card is a coordinate system. Here's how we built zones to give designers control without blocking attendees.

May 8, 20265 min read

Campaigns

Lessons from 247,000 cards: what makes a campaign go wide

We analysed share patterns across every campaign on Karta. Two things consistently predict whether a card gets shared or sits in a download folder.

Apr 30, 20268 min read

Product

Introducing card variants: run multiple designs from one event link

VIP tiers. Sponsor packages. Language editions. Variants let you serve every audience segment from the same campaign without duplicating your setup.

Apr 22, 20264 min read

Africa

Building for WhatsApp first: lessons from East African campaigns

The social graph in East Africa routes through WhatsApp. We rebuilt our share flow to treat WhatsApp as a first-class surface instead of an afterthought.

Apr 12, 20267 min read

Design

Design systems for events: why organizers should think like brand managers

A conference is a brand activation. Most organizers manage it like a logistics operation. Here's the mindset shift that changes everything.

Mar 28, 20266 min read

Product

Karta is now available in 8 countries

We quietly expanded storage regions and currency support. Here's what changed and which markets are now fully supported.

Mar 14, 20263 min read

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