Read Evan You's interview on Between the Wires, about his early steps and how he got into Javascript and started building the framework we all now know as Vue.js.
While we were working on the update of the book, we found out that if we demonstrate how to build each example with both Vue 1 and 2 side by side, the output is overwhelming. Therefore, we had two options. To overwrite the examples using Vue 2 or to create a second book.