Measuring and optimizing viral growth in this way may make it feel like a spreadsheet project, but I assure you it is much more copywriting, user psychology, and product design. The teams working on growth must be aware of what’s worked in the past—there have been viral loops built on birthday alarm clocks, sending sheep emoji, comparing personality test results, building photo collages where you tag your friends, and much more. Some of these ideas are based on user psychology, which doesn’t change, and can be tweaked and iterated upon for any new product. In fact, it’s the psychological
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