# Letter #77: Mark Zuckerberg ![rw-book-cover](https://readwise-assets.s3.amazonaws.com/static/images/article1.be68295a7e40.png) ## Metadata - Author: [[KG from A Letter a Day]] - Full Title: Letter #77: Mark Zuckerberg - Category: #articles ## Highlights - Simply put: we don’t build services to make money; we make money to build better services. ([View Highlight](https://read.readwise.io/read/01hgyvr8bwx33vre4216yxenjf))