Bottom Up by David Sacks

Share this post
Product First
sacks.substack.com

Product First

David Sacks
Sep 14, 2020
105
3
Share this post
Product First
sacks.substack.com

Market Discovery at Square and PayPal

Read →
  • New First
  • Chronological
© 2023 David Sacks
Privacy ∙ Terms ∙ Collection notice
Start WritingGet the app
Substack is the home for great writing