Founder Stories: Builders, Operators and Company Creation
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YOUTUBE2026-10-14starter story

I built this app for my dad. Now it makes $18K/month

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I built this app for my dad. Now it makes $18K/month
Kourash developed Voicy, a dictation app that generates between $16,000 and $20,000 monthly, targeting older individuals and those with disabilities. His approach focuses on serving an underserved market, which he believ…
SUMMARY
PART 01
Kourosh developed Voicy, a dictation app that generates approximately $18,000 monthly by targeting older individuals and those with disabilities. His approach focuses on serving an underserved market, which he believes is key to his success in a crowded app landscape. This strategy challenges the conventional wisdom that saturated markets lack opportunities.
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SUMMARY
PART 02
The inspiration for Voicy stemmed from Kourosh's observations of his father's struggles with technology, leading him to create a tool that simplifies the dictation process for non-tech-savvy users. Initially developed as a Chrome extension, Voicy has since expanded to multiple platforms, achieving a user base of around 2,500 daily active users and 10,000 monthly active users.
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PART 03
Kourosh's growth strategy included leveraging SEO, social media, and targeted marketing efforts, which have resulted in over 200 blog posts and significant localization initiatives. His YouTube series titled 'AI for Seniors' has also gained traction, reflecting a strong market interest in accessible technology solutions.
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PART 04
Kourosh emphasizes the importance of understanding customer needs, particularly for older adults and individuals with disabilities who find significant value in Voicy. He argues that in a crowded market, success often hinges on visibility rather than product superiority, suggesting that even a lesser product can thrive if it appears prominently in search results.
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PART 05
He advises aspiring entrepreneurs to target less saturated markets and to remain open-minded about their ideal customer profiles. Kourosh encourages a mindset of action over perfection, recommending that creators produce content in quantity to accelerate learning and improvement.
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YOUTUBE2026-10-14my first million

we went down the diamond rabbit hole (and it’s unhinged)

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we went down the diamond rabbit hole (and it’s unhinged)
The diamond industry has been characterized as a significant marketing scam, with prices recently dropping by 70% from their peak and 50% since the COVID-19 pandemic. Lab-grown diamonds are now available at drastically l…
SUMMARY
PART 01
The diamond industry has been described as a significant marketing scam, with recent reports indicating a dramatic 70% drop in diamond prices from their peak and a 50% decline since the onset of the COVID-19 pandemic. This downturn has coincided with the rise of lab-grown diamonds, which are now available at a fraction of the cost of natural diamonds, with a two-carat lab-grown diamond priced around $148. This stark contrast raises questions about the sustainability of the traditional diamond market.
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SUMMARY
PART 02
Historically, the diamond market was shaped by the strategic marketing efforts of De Beers, which established a near-monopoly on diamond supply. The company effectively transformed consumer perceptions, marketing diamonds as essential symbols of love and commitment, particularly during engagements. Before De Beers' influence, fewer than 10% of people purchased diamond engagement rings, highlighting the effectiveness of their marketing strategies in creating a cultural norm around diamond gifting.
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PART 03
De Beers' marketing tactics included emotional appeals and the creation of urgency around significant life events, such as marriage proposals. By influencing Hollywood to feature diamonds prominently, they established a cultural expectation that diamonds are integral to romantic commitments. Their campaigns, including the iconic 'A diamond is forever,' not only redefined the value of diamonds but also set benchmarks for spending, suggesting that men should spend two months' salary on an engagement ring.
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PART 04
The emergence of lab-grown diamonds, which now account for over 60% of the market, poses a significant challenge to the traditional diamond industry. In response, De Beers has launched its own line of lab-grown diamonds, attempting to differentiate them from natural stones. However, the price advantage of lab-grown diamonds, which can be 80 to 90% cheaper than their natural counterparts, continues to attract consumers seeking more affordable options.
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PART 05
The marketing strategies of De Beers have not only shaped consumer behavior regarding diamonds but also draw parallels to the Bitcoin community's use of social proof to foster belonging and drive investment behavior. Both industries leverage cultural narratives to create a fear of missing out (FOMO), compelling individuals to invest in diamonds or cryptocurrencies as symbols of status and commitment.
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YOUTUBE2026-10-14nfx

Ep. 5 - Magic Words (NFX Masterclass)

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Ep. 5 - Magic Words (NFX Masterclass)
The language used to describe a product significantly influences its market success and customer engagement. Founders should prioritize identifying effective 'magic words' that resonate with users to enhance demand and r…
SUMMARY
PART 01
The language used to describe products plays a crucial role in their market success and customer engagement. Founders are encouraged to identify effective 'magic words' that resonate with users, as these words can significantly enhance demand and retention. This focus on language is often overlooked in favor of product features, yet it is essential for shaping a startup's identity.
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PART 02
Language influences various aspects of a business, including hiring, fundraising, and marketing strategies. Effective communication can drive substantial growth, as evidenced by examples where specific phrases led to increased user engagement. Startups are advised to prioritize language that resonates with users before developing products, reversing the traditional product-first approach.
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PART 03
Strategic changes in product messaging can dramatically alter user engagement and market success. For instance, a simple shift in wording can lead to millions of new registrations, highlighting the importance of how products are presented. Companies that emphasize community and user involvement often outperform competitors, demonstrating the power of language in marketing.
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PART 04
The discussion also underscores the significance of product naming and positioning. Successful brands like Snapchat and Miller's light beer illustrate how strategic branding can influence consumer perception and market dominance. Establishing a clear category and communicating effectively can help companies gain consumer trust and emotional acceptance.
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PART 05
In the B2B sector, organizations tend to favor established products due to risk-averse behavior, which can create a sustained competitive advantage. Effective language in marketing and product design is critical for enhancing user engagement and conversion rates, as even minor wording changes can lead to significant improvements in response rates.
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