如今，移动设备位置跟踪系统越来越普及，人们的生活已经时时刻刻离不开它。可是，随之而来的也是诸多隐私的泄露，科技让我们已无处藏身，我们珍贵的隐私还在不在!
This is the VOA Special English Technology Report.
Lawmakers in the United States have expanded an investigation into the use of location-tracking systems on mobile devices.
The action follows recent reports about the storing of information on the Apple iPhone, iPad and iTouch. Questions have also been raised about Google Android devices. Some people consider location tracking to be a threat to personal privacy and security.
Allan Friedman is the research director for technology and innovation at the Brookings Institution in Washington. He says all wireless companies do some amount of location tracking as part of their networks. Mr. Friedman says this information is usually stored by the companies, not the devices, and there are laws to protect it.
ALLAN FRIEDMAN: Law enforcement, for example, has to have a fairly high standard before it can access that data. And the phone company is also prohibited from selling that information.
Congress discussed the issue of mobile privacy last year. Now, two researchers reported last month that location tracking information is being stored directly on Apple devices. They said Apples newest operating systems gather global positioning system and timestamp information.
The information is stored on the device in a file that is also uploaded to any computer that the device is connected to. The researchers say the information is available to anyone who has access to the device or computer.
Allan Friedman says this raises additional concerns.
ALLAN FRIEDMAN: Theres the idea that because its on my phone and on my computer, rogue applications that I pay for or that Im tricked into downloading may be able to access this data and somehow misuse it.
Apple, in a statement, says it is not tracking the location of your iPhone. The company says it is simply keeping a database of Wi-Fi hotspots and cell phone towers near the users location. It says this information is meant to help the iPhone quickly find its location when needed.
Last week, leaders of the House Energy and Commerce Committee sent letters to some of the leading mobile device developers. These include Apple and Google. The letters asked for more information about their location tracking systems.
Allan Friedman calls this an important start to strengthening privacy laws.
ALLAN FRIEDMAN: There arent strong controls over things like location data. We need to understand who is getting my location information, what are they doing with it, how long are they keeping it. And perhaps the most important question is, is my location data tied with other facts about me?
A new Senate subcommittee on privacy, technology and the law plans to hold a hearing on May tenth about protecting mobile privacy.
And thats the VOA Special English Technology Report, written by June Simms, and available online at voa special english.com. Im Steve Ember.