While YC is often perceived as a B2B-centric accelerator, a significant portion of its latest batch and its most valuable alumni—like Airbnb, Reddit, and DoorDash—are consumer-facing. This suggests a persistent, successful, but often overlooked, consumer track within the accelerator.

When investing in high-risk, long-development categories like autonomous vehicles, the key signal is undeniable consumer pull. Once Waymo became the preferred choice in San Francisco, it validated the investment thesis despite a decade of development and high costs.

Unlike software, where customer acquisition is the main risk, the primary diligence question for transformative hardware is technical feasibility. If a team can prove they can build the product (e.g., a cheaper missile system), the market demand is often a given, simplifying the investment thesis.

The pool of potential media buyers extends beyond traditional media. Any business paying a "toll" to Google or Facebook for customers is a strategic acquirer for a media asset that owns a direct audience in its niche. This reframes media M&A as a CAC-reduction strategy for non-media companies like Uber.

Unlike SaaS startups focused on finding product-market fit (market risk), deep tech ventures tackle immense technical challenges. If they succeed, they enter massive, pre-existing trillion-dollar markets like energy or shipping where demand is virtually guaranteed, eliminating market risk entirely.

Beyond AI infrastructure providers (NVIDIA, AWS), a key opportunity lies in the 'layer below'—companies like Uber and Spotify. They leverage big tech's tools but dominate specific verticals because they possess superior, niche-specific user data, which AI then supercharges for monetization and personalization.

A core investment framework is to distinguish between 'pull' companies, where the market organically and virally demands the product, and 'push' companies that have to force their solution onto the market. The former indicates stronger product-market fit and a higher potential for efficient, scalable growth.

Consumer innovation arrives in predictable waves after major technological shifts. The browser created Amazon and eBay; mobile created Uber and Instagram. The current AI platform shift is creating the same conditions for a new, massive wave of consumer technology companies.

Instead of predicting short-term outcomes, focus on macro trends that seem inevitable over a decade (e.g., more e-commerce, more 3D interaction). This framework, used by Tim Ferriss to invest in Shopify and by Roblox for mobile, helps identify high-potential areas and build with conviction.