But here's what makes Alphabet fascinating right now: the company is simultaneously fighting to preserve its search monopoly in court while actively building AI products that could make traditional search obsolete anyway. Cloud margins are improving but remain lower — maybe 25-30% operating margin — because you have to keep building data centers. If antitrust remedies sever that deal, Apple faces a choice — build its own search engine or auction the default to the highest bidder. My read: they won't build search, but they will build an AI assistant that answers queries without routing them to any search engine, which achieves the same competitive effect without the infrastructure cost. Alphabet's counter-strategy — embedding Gemini so deeply into its own products that users never need to leave — is sound but requires flawless execution across Search, Android, Chrome, and Cloud simultaneously. Every year, someone argues that search advertising is mature, and every year, revenue grows. The reason is simple: commercial intent on the internet keeps expanding as more economic activity moves online, and Google captures a disproportionate share of that intent. Not "will someone build a better search engine" — that's been tried for 25 years and failed. If AI doesn't generate proportional revenue growth within 3-4 years, you're looking at a company that massively over-invested in infrastructure for a transition that moved slower than expected. Unlike Microsoft, which depends on its OpenAI partnership for frontier models, Alphabet builds its own. Alphabet's growth strategy is built around a primary thesis with several complementary initiatives. Cloud's operating margins are expanding toward 25-30% as the business scales past the investment phase. YouTube's growth comes from two directions. Cloud margins expand as enterprises pay for Gemini API calls.