BOSTON – Nearly everyone has a digital footprint – the trail of so-called “passive data” that is produced when you engage in any online interaction, such as with branded content on social media, or perform any digital transaction, like purchasing something with a credit card. A few seconds ago, you may have generated passive data by clicking on a link to read this article.
波士顿—几乎所有人都留下了数字足迹——所谓的“消极数据”（passive data）痕迹，在你参与在线互动时产生，比如社交媒体上的品牌活动或者用信用卡买东西之类的数字交易活动。几秒钟前你点击鼠标链接到这个网页上阅读本文也会产生消极数据。