AMERICANS, whether they realize it or not, leave a trail of data with every life step.
What's more, the vapor trail of data we're leaving about ourselves will soon be visible on devices we'll wear over our eyes and ears.
And we know that anyone with a good digital nose can track almost anyone's path through life by following the trail of data crumbs.
Nationally, the perspective is clouded, since the federal government has required colleges to report their crime numbers to the Department of Education only since 1999, resulting in a trail of data almost too meager to consider.
Facebook's new forays reveal the rich trail of data that consumers can leave, often unwittingly, every time they buy groceries with a loyalty card or when they longingly eye a pair of shoes online.
The point of the experiment was to show how easy it is to identify people from the rich trail of data they scatter around the Web, including seemingly harmless pictures.
It is using not only the data it has from its roughly 955 million users worldwide, it is matching that with the trail of data consumers leave as they shop online and offline — and using it to analyze what kinds of advertisements work best on Facebook.
A reasonable presumption might be that the trail of data that an individual leaves behind and that can be traced to him, from clicks on search engines to book-buying preferences, belong to that individual, not the entity that collected it.
Any time you visit a website, you leave a trail of data behind you.
Every day, anyone who is connected to the internet leaves an ever bigger trail of data behind them.
