Yet at the same time, we learned how much less important viral effects are to long-term value creation than defensibilies like network effects.

While viral effects are a useful attribute of products to reduce the expense of acquiring new users, network effects remain the key driver of value creation for startups in the digital age by keeping people using them.

By [[James Currier]], [[NFX]], https://www.nfx.com/post/viral-effects-vs-network-effects/