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Privacy
Many users do not wish the continuous exposure for which webcams were originally intended, but rather prefer privacy. Such privacy is lost when Trojan horse programs allow malicious hackers to activate a camera without the user's knowledge, providing the hackers with a live video and audio feed.[citation needed] Cameras such as Apple's older external iSight cameras include lens covers to thwart this. Some webcams have built-in hardwired LED indicators that lights up whenever the camera is active.

In mid-January 2005, some search engine queries were published in an on-line forum[8] which allow anyone to find thousands of Panasonic- and Axis-made high-end web cameras, provided that they have a web-based interface for remote viewing. Many such cameras are running on default configuration, which does not require any password login or IP address verification, making them visible to anyone.

Some laptop computers have built in webcams which present both privacy and security issues, as such cameras cannot normally be physically disabled if hijacked by a Trojan Horse program or other similar spyware programs. In the 2010 Robbins v. 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 66,000 photographs, including shots of students in the privacy of their bedrooms, including some with teenagers in various state of undress.[9][10] The school board involved quickly disabled their laptop spyware program after parents filed lawsuits against the board and various individuals.[11][12]

[edit] Effects on modern society
Webcams allow for inexpensive, real-time video chat and webcasting, in both amateur and professional pursuits. They are frequently used in online dating. YouTube is a popular website hosting many videos made using webcams. News websites such as the BBC can also produce professional live news videos.[13]

Webcams encourage the phenomenon of telecommuting, where people work from home over the internet, rather than having to travel to their office.

On March 23, 2007, a man named Kevin Whitrick committed suicide live on the internet in front of viewers in a chat room website.[14]