John is a browser extension publisher, most of their extensions are shopping extension.
July 17th, 2013
降了么(http://jiangle.me)扩展可以方便的查询京东商城苏宁电器易迅网一号店等国内电商商品的历史价格, 关注商品获取降价提醒. 帮助消费者不被电商各种各样的促销活动中获取真正的实惠.欢迎分享给周围的人.
You could send emails to publisher, or check publisher's website.