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  • The camera was finally switched off on August 22, The final image captured by the camera can still be viewed at its homepage. Jon Garber, the designer of the device, had wanted to call it the "Mac-camera", but was overruled by Connectix's marketing department; a version with a PC-compatible parallel port and software for Microsoft Windows was launched in October The original QuickCam provided xpixel resolution with a grayscale depth of 16 shades at 60 frames per second, or shades at 15 frames per second.

    InTime Magazine named the QuickCam as one of the top computer devices of all time. Later developments[ edit ] One of the most widely reported-on webcam sites was JenniCamcreated inwhich allowed Internet users to observe the life of its namesake constantly, in the same vein as the reality TV series Big Brotherlaunched four years later.

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    Aggregator websites have also been created, providing thousands of live video streams or up-to-date still pictures, allowing users to find live video streams based on location or other criteria. Around the turn of the 21st century, computer hardware manufacturers began building webcams directly into laptop and desktop screens, thus eliminating the need to use an external USB or FireWire camera.

    Gradually webcams came to be used more for telecommunications, or videotelephonybetween two people, or among several people, than for offering a view on a Web page to an unknown public.

    Both sender and receiver of the images must use 3D glasses to see the effect of three dimensional image. Various lenses are available, the most common in consumer-grade webcams being a plastic lens that can be screwed in and out to focus the camera. Fixed-focus lenseswhich have no provision for adjustment, are also available. As a camera system's depth of field is greater for small image formats and is greater for lenses with a large f-number small aperturethe systems used in webcams have a sufficiently large depth of field that the use of a fixed-focus lens does not impact image sharpness to a great extent.

    Most consumer webcams are capable of providing VGA -resolution video at a frame rate of 30 frames per second. Support electronics read the image from the sensor and transmit it to the host computer. Some cameras, such as mobile-phone camerasuse a CMOS sensor with supporting electronics "on die", i.

    Most webcams feature built-in microphones to make video calling and videoconferencing more convenient. The USB video device class UVC specification allows interconnectivity of webcams to computers without the need for proprietary device drivers. Privacy[ edit ] Many users do not wish the continuous exposure for which webcams were originally intended, but rather prefer privacy.

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    Cameras such as Apple 's older external iSight cameras include lens covers to thwart this. Some webcams have built-in hardwired LED indicators that light up whenever the camera is active, sometimes only in video mode[ citation needed ].

    However, it is possible for malware to circumvent the indicator and activate the camera surrepticiously, as researchers demonstrated in the case of a MacBook 's built-in camera in The remotely activated webcam can be used to watch anything within the webcam's field of vision, sometimes the webcam owner itself. Camfecting is most often carried out by infecting the victim's computer with a virus that can provide the hacker access to the victim's webcam.

    This attack is specifically targeted at the victim's webcam, and hence the name camfecting, a portmanteau of the words cam and infecting. In Januarysome search engine queries were published in an online forum [22] which allow anyone to find thousands of Panasonic - and Axis high-end web cameras, provided that they have a web-based interface for remote viewing.

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    Many such cameras are running on default configuration, which does not require any password login or IP address verification, making them viewable by anyone. In the Robbins v.

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    Lower Merion School District "WebcamGate" case, plaintiffs charged that two suburban Philadelphia high schools secretly spied on students - by surreptitiously remotely activating iSight webcams embedded in school-issued MacBook laptops the students were using at home — and thereby infringed on their privacy rights. School authorities admitted to secretly snapping over 66, photographs, including shots of students in the privacy of their bedrooms, including some with teenagers in various state of undress.

    They are frequently used in online dating and for online personal services offered mainly by women when camgirling. However, the ease of webcam use through the Internet for video chat has also caused issues. For example, moderation system of various video chat websites such as Omegle has been criticized as being ineffective, with sexual content still rampant.

    News websites such as the BBC also produce professional live news videos using webcams rather than traditional cameras. The popularity of webcams among teenagers with Internet access has raised concern about the use of webcams for cyber-bullying. In general everyday usage the term videoconferencing is now frequently used instead of videocall for point-to-point calls between two units.

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    Both videophone calls and videoconferencing are also now commonly referred to as a video link. Webcams are popular, relatively low cost devices which can provide live video and audio streams via personal computers, and can be used with many software clients for both video calls and videoconferencing. A videoconference also known as a videoteleconference allows two or more locations to communicate via live, simultaneous two-way video and audio transmissions.

    This is often accomplished by the use of a multipoint control unit a centralized distribution and call management system or by a similar non-centralized multipoint capability embedded in each videoconferencing unit.

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    Again, technology improvements have circumvented traditional definitions by allowing multiple party videoconferencing via web-based applications. A telepresence system is a high-end videoconferencing system and service usually employed by enterprise-level corporate offices. Telepresence conference rooms use state-of-the art room designs, video cameras, displays, sound-systems and processors, coupled with high-to-very-high capacity bandwidth transmissions. Typical use of the various technologies described above include calling or conferencing on a one-on-one, one-to-many or many-to-many basis for personal, business, educational, deaf Video Relay Service and tele-medical, diagnostic and rehabilitative use or services.

    New services utilizing videocalling and videoconferencing, such as teachers and psychologists conducting online sessions, [38] personal videocalls to inmates incarcerated in penitentiariesand videoconferencing to resolve airline engineering issues at maintenance facilitiesare being created or evolving on an ongoing basis.

    Early development[ edit ] First developed ina webcam was pointed at the Trojan Room coffee pot in the Cambridge University Computer Science Department initially operating over a local network instead of the web.

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