8. Rules
Main idea: Add functionality to Chrome without
diving deeply into native code.
HTML, CSS, JS, Api browser provide for webpage,
XMLHttpRequest to JSON to HTML5.
9. Rules
Implement UI by browser action.
No inline js.
Events should be taken by chrome utility.
Seperated code in popup and page.
10. Debugging
Ctrl + R
Two debug screen
*Don't debug in Google children.