Others -- including many television critics -- loathe the made-for-TV mirth.
But no matter your opinion of the canned ha-ha's, shows continue to use them because they work!
Eventually, they may ask you to join a Skype (video) call with them.
During the video call the scammer may attempt to lead you into participating in intimate, sexual activity or nudity, which can later be used to blackmail you.
In fact, a 1974 study published in the Journal of Personality and Social Psychology showed that people were more likely to laugh at jokes that were followed by canned laughter.
Kelley's own research compared student's reactions to an episode of "Seinfeld," which has a laugh track, to those watching "The Simpsons," which lacks one.
They're meant to make the audience at home feel like they're part of a bigger crowd sitting in a movie theater or at a comedy club.
"We're much more likely to laugh at something funny in the presence of other people," says Bill Kelley, a psychology professor at Dartmouth College in Hanover, N. Hearing others laugh -- even if it's prerecorded -- can encourage us to chuckle and enjoy ourselves more.
The underwater videos and some of the "dry" videos were shot using a Go Pro Hero 5 Black.
Selecting a checkbox near appropriate option immediately changes video source, so it becomes active and corresponding video feed is shown in consumer applications like Skype, ustream, etc.
Sparko Cam uses last used parameters for each mode, so it is possible to configure each type of video source only once and then quickly switch between different sources.
For example, when you have your camera operating in "Tv" mode, you can't change "Av" setting and vice versa.
While video is playing you can pause/resume it, set playback position using slider or mute sound so you don't hear movie's audio on your computer.