The case of Netflix in 2016, with a P/E over 300, shows that high multiples can reflect a company strategically sacrificing short-term profits for global expansion. Instead of dismissing such stocks as expensive, investors should use second-order thinking to ask *why* the market is pricing in such high growth.

Even within metrics like the "Rule of 40," the composition matters. High-growth companies command higher valuations because growth provides more optionality to invest and expand. A company growing at 30% with 10% EBITDA is worth more than one with 20% growth and 20% EBITDA.

Judging an early-stage company on its current gross margins is a mistake. The key indicator of future profitability is its potential pricing power. A defensible, sticky product that can consistently raise prices over time is a much stronger signal than one that relies solely on falling costs.

While both are strong, Spotify has a clearer path to growth because it operates in a cleaner oligopoly. Netflix must constantly battle irrational competitors like Paramount making uneconomic decisions, which clouds the investment thesis and makes Spotify the higher-conviction bet.

While increasing subscription fees due to its market dominance, Spotify is simultaneously leveraging AI-generated music. This strategy could significantly reduce its largest expense—artist royalties—by populating background-listening playlists with royalty-free AI tracks, creating a powerful profit engine.

Spotify clarifies that the industry pays a percentage of revenue per user. Since Spotify users stream 3-4x more than on other platforms, the same revenue gets divided by more streams, creating a misleadingly low metric even while they are the largest overall payer to the music industry.

A key lesson from Spotify CEO Daniel Ek is to first dominate a core market (music), then strategically "ladder" into adjacent areas (podcasts, audiobooks) that leverage the existing user base and interface. This methodical expansion builds on a position of strength rather than starting from scratch.

Scott Galloway states that subscription revenue is more stable, especially during recessions when ad budgets are cut but consumers are lazy about canceling subscriptions. This stability commands a significantly higher enterprise value multiple from investors.

Public market investors view revenue multiples as a shortcut to estimate a company's future earnings. A 6x revenue multiple implies a 20x earnings multiple once the business reaches 30% margins. This mental model shows that profitability and cash flow, not just revenue growth, are the ultimate drivers of valuation.