The new feature, called Tracking Protection, would rely on lists that users create that indicate which sites they do not want to share information with.

这项称作“追踪保护”的新功能是依赖用户创建的表单工作，这份表单指明哪些网站用户不愿分享个人信息。

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Soon after, they launched CureTogether, an online group where those with chronic pain could document and share the results of their self-tracking.

不久之后，他们就推出了网络小组CureToge ther，供患有慢性疼痛症的人记录并分享自己追踪记录的结果。

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Manu Kumar, a researcher at Stanford University in California, is developing a gaze-tracking system called GUIDe aimed at a broader market: people who share documents.

史坦福大学加州分校的研究员麻奴鸠摩开发了一种面向更广泛的市场的视线跟踪系统，美其名曰GUIDe。

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Almost all fitness tracking tools now let you share your workout through the apps or on social media sites so people can see that you just finished a workout.

CNN: Fitness tools that tap the power of your friends

There's no denying this: Tracking what you paid for each share of a stock or mutual fund--so you can calculate your taxable gain when you sell--is so tedious that a lot of folks just guess.

FORBES: Magazine Article

Liberty Media this morning announced that it has decided to eliminate its tracking stock structure and will convert each share of Liberty Starz common stock into 0.88129 shares of Liberty Capital.

FORBES: Liberty Media Killing Tracking Stocks; Merging With Starz