School officials are being accused of using webcams to find out what students are doing at home.
CBS News correspondent Michelle Miller reports all 2,300 high school students in the Lower Merion School District have school-issued Apple laptops equipped with webcams that can be activated remotely.
The way it works is that the bumps and duration of each individual trip between train stations works as a sort of fingerprint of motion.
So if a spy is trying to track someone on the subway, they could look at their accelerometer and deduce which train station the person traveled to.
It's been used by electricity companies to better understand what is causing certain changes in electricity usage in a specific place.
But in Japan load monitoring has been shown to be able to pinpoint exactly what device is running at what time.
Intimate moments with my hairy wife Jante Amateur Mature Passionate Homemade Sex Tape Brunette mom loves cum (webshow) - Session... Disclaimer: is a fully automatic adult search engine focused on mom son porn, mom son sex, mom son tube clips.
We do not own, produce or host the videos displayed on popthis we title bsite.
For example, aiming a laser ray at a computer is a way to "register vibrations," says Kaspersky Lab.Williams said she was shocked to hear about the accusations against the school. This is disturbing.'"She added the entire school is worried about what the school could potentially be watching."Someone told me in my chem class and I e-mailed my mom right way," Williams said. Williams' mother said the possibility of this being true is a "complete violation of her privacy, of our entire home -- not just Savanna.""They have the option to watch myself, my husband, my other child," Gotleib said. I think that's really the most significant part here is that this was a school district that we chose.For example, the accelerometer inside a phone — which is the sensor used to track a phone's tilt and motion — can be used to detect what someone is typing on a computer.According to Kaspersky Lab, if a smartphone is near a computer keyboard it " Not only can accelerometers analyze what a person is typing, they have also been proven successful at tracking where people go if they are traveling on an underground train.