Tóm tắt: The definitive playbook by the pioneers of Growth Hacking, one of the hottest business methodologies in Silicon Valley and beyond. It seems hard to believe today, but there was a time when Air Bnb was the best-kept secret known of travel hackers and couch surfers, Pintrest was a niche web site frequented only by bakers and crafters, LinkedIn was an exclusive network for C-suite executives and top-level recruiters, Facebook was My Space's sorry step-brother, and Uber was a scrappy upstart that didn't ...