with a webcam
you go to "upload" and click "record from webcam" and there you go
du.... a camra
you can just click on the small youtube button on your hp webcam and sign in your video onto youtube.com
Yes you can, but you can't make video calls with it.
You will need a video call software such as Skype or you can use an online services. You will also need a webcam, most modern laptops have a webcam, if this isn't an option, you will have to buy an external webcam, they will run you anywhere from $10-$50 at Best Buy or similar stores.
By doing video with the webcam
well, when you go on the website there's normally to buttons ( text or video ) click text to not go on video chat.
a webcam or a built in camera in your computer/laptop.
yesIf you would like talk video wise then yes. If not no.
Well the web cam is only for video you also need a microphone.
You would need to set up a web page that could allow you to stream video from the webcam. There are a couple of programs that will do this for you. Here is also a great guide on how to set it up. http://www.maximumpc.com/article/How-To--Stream-Video-from-Your-Webcam-to-the-Internet