You can find the plugin here: https://addons.mozilla.org/en-US/firefox/addon/46608
And, we made it open source, so that anyone interested could improve it, you can find it here: http://github.com/flextao/doit.im.firefox
It’s under MIT license.
Preview:

wonderful, I love this plugin!
Link | 十一月 1st, 2009 at 5:36 下午
Good job !
Link | 十一月 4th, 2009 at 11:46 下午
能不能开发谷歌浏览器的插件?
Link | 三月 18th, 2010 at 11:58 上午