building a tech startup from scratch in 90 days | ep 1 - the master plan Published 2 weeks ago • 1.2K plays • Length 10:16 Download video MP4 Download video MP3 Similar videos 0:06 xavier memes #memes 4:50 how to create a company | elon musk's 5 rules 1:05:03 how to build a product that scales into a company 15:42 how i built a $6.5 billion app called duolingo | founder effect 13:41 how to build a software company from scratch solo