Learnt more about Chrome extensions by updating the manifest of a Chrome extension that wasn’t working for me. Was chatting with a friend (@kiittsuune) about how SimplyGo doesn’t total up transactions for you, and they put together a Chrome extension in a night. However, it wasn’t working for me (i.e. when I clicked the extension icon, nothing would happen) until I modified the manifest in line with Chrome’s dev documentation. You can check it out here