Do things that don't scale : YC Startup Library | Y Combinator

Startups, on the other hand, have the advantage that they can start small, and grow, which is why some of the largest networked products in the industry—eBay, Facebook, Uber, Airbnb, and TikTok—started with small, atomic networks. Respectively, these initial networks began in collectibles, college students, limos for rich people, airbeds and breakf

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Actually startups take off because the founders make them take off.

Sometimes we advise founders of B2B startups to take over-engagement to an extreme, and to pick a single user and act as if they were consultants building something just for that one user. The initial user serves as the form for your mold; keep tweaking till you fit their needs perfectly, and you'll usually find you've made something other users wa... See more