![rw-book-cover](https://news.ycombinator.com/favicon.ico) --- > If you emailed Steve Jobs back in the day and his staff approved a repair, it attached a special code to the serial number that allowed us to order effectively unlimited items against the serial number. - [View Highlight](https://read.readwise.io/read/01hkfb087c2yneym1x876qy4bm) ---