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Video fingerprinting is of interest in the digital rights management (DRM) area, particularly regarding the distribution of unauthorized content on the Internet. Video fingerprinting systems enable content providers ( e.g., film studios) or publishers ( e.g., user-generated content (UGC) sites) to determine if any of the publisher's files ...
Metamaterial cloaking is the usage of metamaterials in an invisibility cloak. This is accomplished by manipulating the paths traversed by light through a novel optical material. Metamaterials direct and control the propagation and transmission of specified parts of the light spectrum and demonstrate the potential to render an object seemingly ...
Spy pixel. Spy pixels or tracker pixels are hyperlinks to remote image files in HTML email messages that have the effect of spying on the person reading the email if the image is downloaded. [1] [2] They are commonly embedded in the HTML of an email as small, imperceptible, transparent graphic files. [3]
A version of this story appeared in CNN Business’ Nightcap newsletter. To get it in your inbox, sign up for free, here. One of the problems with tech is that it can be really good at narcing.
A cloaking device is a hypothetical or fictional stealth technology that can cause objects, such as spaceships or individuals, to be partially or wholly invisible to parts of the electromagnetic (EM) spectrum. Fictional cloaking devices have been used as plot devices in various media for many years. Developments in scientific research [ 1] show ...
Facebook, Instagram and Messenger have gone down in what appears to be a huge outage at parent company Meta. On Facebook, affected users found they had been logged out and were unable to get on ...
A web beacon is any of several techniques used to track who is visiting a web page. They can also be used to see if an email was read or forwarded or if a web page was copied to another website. [ 7] The first web beacons were small digital image files that were embedded in a web page or email. The image could be as small as a single pixel (a ...
free: A decentralized, distributed data store using contributed bandwidth and storage space of member computers to provide strong anonymity protection. I2P [46] (originally Invisible Internet Project) re-routing: I2P Project: free: Uses a pseudonymous overlay network to allow anonymous web browsing, chatting, file transfers, amongst other features.