The Amazon Kindle Paperwhite is a mainstay on our list of the best Kindles, and the new Paperwhite offers just enough ...

The top-selling e-readers (including kids' versions) have never seen discounts like this. Holiday gifts, anyone?

Save on the cookware, tech gadgets, and cleaning tools that made our lives easier this year.

Friends, family, acquaintances, strangers, and people you haven't even met yet but may need to buy a gift — we've found ...

加密货币是一种数字形态的货币。他们属于数字资产，可用于购买商品和服务。加密货币也可储存价值、记账和作为交换中介。分布式账本(又称“区块链”)保障了这种数字资产的安全。第一个加密货币是比特币，中本聪(假名)创造了这种加密货币，并在2009年 ...