Kitco browser plug-in

睇金價好方便，自動update，唔洗特登去網頁。

Firefox:
https://addons.mozilla.org/en-US/firefox/addon/kitco-spot-gold-price-watcher/

Chrome:
https://chrome.google.com/extensions/detail/phngnmnglpbgiogjjcbllnlldehpnadg?hl=en