Successful platforms use one of eight proven strategies for solving the chicken-or-egg problem: the follow-the-rabbit strategy; the piggyback strategy; the seeding strategy; the marquee strategy; the single-side strategy; the producer evangelism strategy; the big bang adoption strategy; and the micromarket strategy. The speed of a platform’s expansion can be accelerated through viral growth. This depends on four key elements: the sender, the value unit, the external network, and the recipient.