This piece by Sarah Tavel @Benchmark Capita, is probably the most intriguing writing about the marketplace model that we have read so far. We can totally relate in that the 'happiness of early adopters', is the most critical factor  to help us achieve virality. It's the same story with Airbnb or Pinterest, or even with our direct competitors such as Grailed. You can read more here.

Or you fellow marketplace-entrepreneurs can also listen to her presentation here on YouTube.
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