Yes, it is. The easy way to do it is (when you're in YouTube, playing the video you want to link to) click on "embed" and add the code to your website.
Or, just to provide a link, copy the url that's displayed in your browser window.
However, if the link is to copyrighted content, you could get in trouble for linking to it. The argument that you didn't post the content will not keep you out of jail. There are plenty of video links sites that have been closed by the government, even though they contained no actual copyrighted content.
Yes, the majority of the videos on YouTube are legal. There are sme copyrighted songs though, but they will either be eventually removed or remarketed in due time. Also, Youtube removes videos of illegal activities according to world law as well, so you shouldn't be seeing videos that violate laws either.
Yes, so long as you simply embed the video using the code that Youtube will give you it is perfectly legal.
Yes you can embed your video into your blog, There is no violation there.
Yes, it is legal to use Youtube videos to make a school movie trailer. As long as you are not earning money from it, anything from youtube may be used in things outside of youtube (such as your school trailer) tl,dr; Yes
The songs and videos are subject to removal from youtube when they are found. There are so many of them that such music and videos often remain up for quite a while. In the mean time, listening to and watching those youtube videos is perfectly okay. Don't worry about it.
Yes, it is legal. It used to be illegal though. There are tons of concert videos on youtube (Taylor Swift, Justin Bieber, Brad Piasley, etc). Otherwise those videos would be removed for illegal download reasons.
Yes, as long as you don't claim that it is yours. You can download videos at: keepvid.com
On Youtube when you search for videos it only gives you videos via Youtube and Vevo. On Google Videos it will give you videos from all kinds of sites like Youtube and DailyMotion.
yes, i can change the youtube videos
I'm not sure what "nartube" is. Could you provide more context or clarify your question so I can better assist you?
You do not get kidnapped for uploading videos on Youtube.
Youtube enables you to playback videos that other users have uploaded. When you join YouTube you make an account or channel. This is where you upload videos. You do not have to be a member of YouTube to watch videos.
One can watch videos of Slim Goodbody on YouTube. YouTube has hundred of videos starring Slim Goodbody and videos about Slim. YouTube is home to the most videos starring Slim.
Yes. There are programs to scrape youtube videos to your computers. Whether this is legal or not is questionable.