Renier 📨 The Open Letter

Renier 📨 The Open Letter

Be in the Know with 🇿🇦 Startup, Tech & Business

Podcast

Aug 6, 2025

•

3 min read

Louis de Kock | Nile.ag

Getting AgriTech Right Through Timing, Trust & Disrupting Legacy Markets

Renier 📨 The Open Letter

Podcast

Jul 30, 2025

•

3 min read

Katie Dodge | Koola Capital

Providing business funding to township entrepreneurs.

Renier 📨 The Open Letter

Originals

Aug 18, 2023

•

12 min read

🤙 Giving the Little Guy a Shot...

Plus: Moon water, brainwaves, SA’s harsh startup truths & how Amazon’s training 100k young South Africans.

Renier 📨 The Open Letter

Originals

Aug 15, 2023

•

13 min read

🎬 Script, Shoot & Ship in 24 Hours...

Plus: Sky wine, DropGPT, co-founders getting along & why the fight’s off.

Renier 📨 The Open Letter

Originals

💁‍♀️ Guess Who's to Thank for Cooler Workspaces...

Aug 11, 2023

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14 min read

💁‍♀️ Guess Who's to Thank for Cooler Workspaces...

Plus: World’s slowest 100m, SA’s $50M Series B injection & why woman engineers make great founders + (a special gift inside).

Renier 📨 The Open Letter

Originals

Aug 8, 2023

•

12 min read

🤑 How 75% of SA Choose to Pay...

Plus: Space funerals, poor CEOs, Worldcoin chaos & cost-effective bootstrapping.

Renier 📨 The Open Letter

Originals

Aug 4, 2023

•

13 min read

⚽ The GOAT of Sporting Opportunities...

Plus: Launching a new VC, Mr Beast gets spicy SA’s big tech crackdown & building nice local streaming products.

Renier 📨 The Open Letter

Originals

Aug 1, 2023

•

12 min read

🐷 The Farm-Boy iPad Revolution...

Plus: Elon’s bat signal, no people in bear suits & the truth about startup marketing.

Renier 📨 The Open Letter

Originals

Jul 27, 2023

•

14 min read

🛒 How 12M of Us Buy Groceries...

Plus: Secret millionaires, no more Blouberg, user feedback tools & another Twitter devaluation.

Renier 📨 The Open Letter

Originals

Jul 25, 2023

•

13 min read

🎓 When it Pays to Skip School...

Plus: Twitter is no more, robots and retirees, MVP tools & all that diesel for your takeaways.

Renier 📨 The Open Letter

Originals

🎫 Hyper-Local Boys Klapping Big Players...

Jul 20, 2023

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12 min read

🎫 Hyper-Local Boys Klapping Big Players...

Plus: Here come the retirees, James Cameron’s last warning & finding your niche audience.

Renier 📨 The Open Letter

Originals

Jul 18, 2023

•

11 min read

⚡ When There’s Too Much Power...

Plus: 500 best ChatGPT plugins, SA flocking to the movies, Mr “gangsta-boy” Sinatra & the world’s first phone-free island.

Renier 📨 The Open Letter

Originals

Jul 13, 2023

•

13 min read

🥊 The Gloves Come Off in Zuck v Musk...

Plus: Disabling robotaxis, BRICS money, better user feedback & the US wants to help Eskom out of its misery.

Renier 📨 The Open Letter

Originals

Jul 11, 2023

•

10 min read

🏎️ The $50 Million Camera Angle

Plus: Cassette-tape kimonos, a chocolate “klap” & 6 metrics to sanity check for your startup.

Renier 📨 The Open Letter

Originals

🚐 15M People to Lose Their Only Transport...

Jul 6, 2023

•

15 min read

🚐 15M People to Lose Their Only Transport...

Plus: Meta’s Twitter competitor, how you trained AI & building things that don’t scale (on purpose).

Renier 📨 The Open Letter

Originals

Jul 4, 2023

•

14 min read

🤑 The Future of SA E-Commerce?

Plus: SA’s secret airship, the first 5 days of your startup & how Elon plans to limit your Twitter time.

Renier 📨 The Open Letter

Originals

Jun 29, 2023

•

11 min read

🚜 Container Farms & Food Security

Plus: Who ate all the zebras? Drone cops & 8 more costly startup mistakes to avoid.

Renier 📨 The Open Letter

Originals

Jun 27, 2023

•

11 min read

😎 The New Gold Rush (we almost missed)

Plus: Don’t drink NASA’s water, where the big money is & the perfect co-founder match.

Renier 📨 The Open Letter

Originals

🥽 Grab Your Headset, This 'bout to Take Off...

Jun 22, 2023

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14 min read

🥽 Grab Your Headset, This 'bout to Take Off...

Plus: Fake gear levers, confusing AIs with cheese, validating like a venture builder & levelling up your dev’s soft skills.

Renier 📨 The Open Letter

Originals

Jun 20, 2023

•

13 min read

💉 Ready for a R500bn Injection?

Plus: Beyonce’s Swedish inflation hike, hyperlocal entrepreneurs & why Google wants staff to stop using Bard.

Renier 📨 The Open Letter

Originals

Jun 15, 2023

•

13 min read

📺 From 3M to 85M in 24 hours...

Plus: A new Beatles song, SARS vs Adidas & the 8 biggest startup mistakes.

Renier 📨 The Open Letter

Originals

🥸 Big Tech Knows Something We Don't... About AI and Jobs in SA

Jun 13, 2023

•

13 min read

🥸 Big Tech Knows Something We Don't... About AI and Jobs in SA

The truth About AI and Jobs in SA. Plus: Your Zuma-era package has arrived, building ugly & have a cappuccino on us.

Renier 📨 The Open Letter

Originals

Jun 8, 2023

•

14 min read

🚗 EVs Could Free Up Billions – You In?

Plus: R1.3M in free marketing, 7 things for go-big disruptors & taking pics without a camera or phone.

Renier 📨 The Open Letter

Originals

Jun 6, 2023

•

13 min read

🧬 A Billion Secrets in Our DNA...

Plus: Honest user feedback, a broken website & how many people lost their jobs to AI last month.

Renier 📨 The Open Letter

Originals

Jun 1, 2023

•

12 min read

💼 The Semigrators are Here – You Ready?

Business opportunities in semigration. Plus: Solar trees, how to filter startup ideas super fast & how to get hired as PayPal’s next CEO.

Renier 📨 The Open Letter

Renier 📨 The Open Letter

Louis de Kock | Nile.ag

Katie Dodge | Koola Capital

🤙 Giving the Little Guy a Shot...

🎬 Script, Shoot & Ship in 24 Hours...

💁‍♀️ Guess Who's to Thank for Cooler Workspaces...

🤑 How 75% of SA Choose to Pay...

⚽ The GOAT of Sporting Opportunities...

🐷 The Farm-Boy iPad Revolution...

🛒 How 12M of Us Buy Groceries...

🎓 When it Pays to Skip School...

🎫 Hyper-Local Boys Klapping Big Players...

⚡ When There’s Too Much Power...

🥊 The Gloves Come Off in Zuck v Musk...

🏎️ The $50 Million Camera Angle

🚐 15M People to Lose Their Only Transport...

🤑 The Future of SA E-Commerce?

🚜 Container Farms & Food Security

😎 The New Gold Rush (we almost missed)

🥽 Grab Your Headset, This 'bout to Take Off...

💉 Ready for a R500bn Injection?

📺 From 3M to 85M in 24 hours...

🥸 Big Tech Knows Something We Don't... About AI and Jobs in SA

🚗 EVs Could Free Up Billions – You In?

🧬 A Billion Secrets in Our DNA...

💼 The Semigrators are Here – You Ready?

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