Reddit's founders, Steve Huffman and Alexis Ohanian, built the illusion of a thriving community by creating hundreds of fake accounts and writing the vast majority of early posts themselves — a deception so thorough that real users arrived to what looked like an active platform and stayed. That is not a marketing campaign. That is social engineering applied to a cold-start problem. The term guerrilla itself comes from Spanish, meaning 'little war' — a small, outnumbered force taking on a much larger one through surprise, speed, and intimate knowledge of terrain rather than raw firepower. While piggybacking on existing platforms is a common strategy, guerrilla marketing delves into creating perceived scale and leveraging psychological tactics. Guerrilla tactics go one layer deeper — they manufacture the perception of scale before scale exists. Social engineering, in its technical definition, is the manipulation of people rather than systems; attackers research targets using open-source intelligence, build trust, then strike. Startups apply the same logic without malicious intent: study where your target users congregate, mirror their language and behavior, then insert your product into their world before you have the budget to advertise into it. Tinder's early growth team did exactly this. They threw parties at college campuses, but with a condition — attendees had to download the app to get in. No download, no entry. That single mechanic, repeated across universities, seeded Tinder with thousands of real users in concentrated geographic clusters, which is precisely what a location-based matching product needs to generate matches and prove its value. The tactic was unscalable by design. It required physical presence, manual effort, and direct human persuasion — the hallmarks of guerrilla execution. Why does unscalable work? Because guerrilla warfare is not meant to defeat the opponent outright — it is meant to prolong engagement and increase the cost of resistance until the larger force concedes the fight is not worth it. In startup terms, the 'larger force' is user indifference. Hand-to-hand combat marketing — direct outreach, manual onboarding, personal follow-up — overwhelms that indifference in a way that a banner ad never can. Guerrillas exploit deep knowledge of local terrain and people; startups exploit deep knowledge of a specific community's frustrations, language, and gathering points. The internet amplifies guerrilla tactics: startups use online platforms to seed conversations, create social proof, and trigger curiosity, all while exploiting human emotions like urgency and authority. The risks are real, Shailee. While creating the perception of scale can be effective, it carries risks; if discovered, it can damage trust and lead to penalties. Social engineering tactics exploit human emotions like urgency, authority, and curiosity, which means they work precisely because they feel authentic; the moment they feel manufactured, they collapse. Reddit's founders got away with it because the fake activity was indistinguishable from real discourse. Most startups are not that disciplined. The line between seeding a community and deceiving one is thin, and crossing it publicly is a brand crisis, not a growth hack. For you, Shailee, the practical question is how to identify where guerrilla effort is worth deploying. The framework mirrors military intelligence: use open-source research to map where your target users already gather — forums, events, niche communities, campus networks — then ask what a single highly motivated person could do in that space with no budget but unlimited hustle. Ambush and hit-and-run are core guerrilla mechanics; in marketing terms, that means showing up at the exact moment a user is making a decision, delivering maximum value fast, then retreating before you overstay your welcome. Target supply lines, not the front — meaning, reach the people who influence your buyers before you reach the buyers themselves. The unconventional, high-effort, low-cost manual tactic is not a stopgap until you can afford real marketing. It is the most honest signal you will ever get about whether your product deserves to exist. If you cannot convince one hundred people to use something by talking to them directly, no ad budget will save you. Reddit faked it to bootstrap real momentum. Tinder manufactured density to prove the product worked. Both used the guerrilla's core advantage: the larger force — incumbents, indifference, inertia — cannot respond quickly to what it cannot see coming. That asymmetry, Shailee, is your edge.