# If you're wondering how other startups got their start:

Some of our favorite origin stories from founders and companies that have tread remarkable paths

### [The Inside Story of How This Startup Turned a 216-Word Pitch Email into a $2.6 Billion Acquisition](https://review.firstround.com/the-inside-story-of-how-this-startup-turned-a-216-word-pitch-email-into-a-2-6-billion-acquisition/)

### [How Superhuman Built an Engine to Find Product Market Fit](https://review.firstround.com/how-superhuman-built-an-engine-to-find-product-market-fit/)

### [PlanGrid's Playbook for Startups to Crack Big, Established Industries](https://review.firstround.com/plangrids-playbook-for-startups-to-crack-open-big-established-industries/)

### [AppNexus' First Pitch — Before It Steered Around the Cloud to Win Big in AdTech](https://review.firstround.com/appnexus-first-pitch-before-it-steered-around-the-cloud-to-win-big-in-adtech/)

### [From 0 to $1B - Slack's Founder Shares Their Epic Launch Strategy](https://review.firstround.com/from-0-to-1b-slacks-founder-shares-their-epic-launch-strategy/)

### [There’s a .00006% Chance of Building a Billion Dollar Company: How This Man Did It](https://review.firstround.com/theres-a-00006-chance-of-building-a-billion-dollar-company-how-this-man-did-it/)

### [Drew Houston’s Morph from Hacker to Hyper-Growth CEO](https://review.firstround.com/drew-houstons-morph-from-hacker-to-hyper-growth-ceo/)

### [90% of Feedback is Crap: How to Find the Next Big Startup Idea](https://review.firstround.com/90-of-feedback-is-crap-how-to-find-the-next-big-startup-idea/)

### [How Design Thinking Transformed Airbnb from a Failing Startup to a Billion Dollar Business](https://review.firstround.com/how-design-thinking-transformed-airbnb-from-failing-startup-to-billion-dollar-business/)