Individuals use web cam sites for a variety of purposes. Many people like to put video blogs up on the internet which requires using a web cam. Web cams can also be used to sell products and provide services. An example of the first is cars and and example of the second is English tutoring.
That would depend on the type of webcam video you are looking for. People post webcam videos on their blogs, or sites like Facebook and YouTube as well.
Someone looking for a hot female for webcam chat might look at dating sites. Some sites encourage webcam chatting before physically meeting an individual.
Google it, but none of them are free.
Here is a list of best webcam sites you can use Camfavs.com
Omegle
There are a number of online sites which contain directions on how to turn a webcam into an infrared camera. The web domain "wikiHow," for example, contains this information.
You can find Windows Vista 64 drivers for your Thrustmaster TM507A webcam from the manufacturer's official site free of charge. You can also get them from software download sites like Brothersoft.
You can get webcam fairly inexpensively from any store that sells computer goods like Best Buy, or Circuit City. You can also get them from sites like amazon if you can wait for them to ship it to you!
Stickam.com
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I suggest going to the official website for Logitech. There you will be able to find reliable information as this would be the direct source for this webcam.
There are sites that offer webcam chat rooms. There are some that will let you Skype but you can always set this up for yourself if you want to talk to someone.