i'm one of those who like to share with friends some vdo links (from youtube let's say) on facebook. and i experienced this twice when two of my links disappeared for no reasons and i'm sure my friends didnt delete them in a million years. one of them was a clip from a japanese tv program where they had a kitty who liked to suck women's breast... it wasn't something obscene... like more of cute and funny so it had been shown on tv before. and the other clip was the cartoon south park (with some funny swear words of course)
after a while, they're gone! O_o my friends insist they didnt delete them and they liked them. well that isn't the point... i'm just curious if you guys think that facebook is really private? just like my case i showed some stuff to my close friends and it seems that there's someone monitoring us all the time. O_o by looking at stuff we're sharing to each other and something like that... doesn't the site supposed to concern privacy?
anyone experienced this before?

One word: awesome.

well the cat video might have been tagged as inappropriate and removed from youtube and if you linked a south park episode form youtube, I can almost guarantee that it was removed because VIACOM (owner of south park) is very restrictive about their material on youtube.

I don't think someone from facebook is hired to cruise pages and remove random things...

I don't think your friends can delete your content.

Facebook is definitely more private in comparison to myspace just because you really need to confirm a strangers request before they can see anything passed your avatar. If you want to be even more private, theres a ton of options in the facebook settings you can customize to get the best security.

yes i knew that... well becuz fb looks sooo private in comparison to other social networking sites... but what i experienced looks just like someone's looking at us O_O so i found it weird

One of your contacts probably hit the report button under the video you linked.
It works much like flagging videos on youtube that are thought to be inappropriate.
Unless you purposely are sharing your Facebook password, your friends do not have that type of privilege
of deleting another ones video link, or uploaded video. If you tag a contact in a video, note, photo etc, they can only untag themselves. As for Facebook monitoring, not sure about videos, but with private messaging, it seems the Facebook team is automatically alerted, if key things are met: if you swear too much, type all in caps for a very long message, or are replying too fast with another person through messaging, you will be warned. They will mute your inbox and suggest you to use their chat feature, or even go as far as taking away your privilege of private messaging for a set amount of time.

I thought I heard from a friend that Facebook sneds out your personal infos to third party companies. Plus nothing you give out on the internet is kept private anyways

^^ Like they said, never put anything on the internet without assuming it's now public forever.

However, your friends don't have the ability to remove anything that YOU have posted. They may be able to tag things as inappropriate, and then a higher up on Facebook can remove it, or the video got removed from Youtube entirely.

The most your friends can do with content posted by you is comment on it, like it, or hide it, and hiding it only means that they don't see it -- it doesn't affect you at all.

Maybe someone reported it as inappropriate content and it got removed.

depend on your privacy settings...
try to search in www.google.com... sometimes it captures your full name there.

i feel like i'm eavesdropping when i read other people's comments on anyone's facebook.

Sometimes people may click things on accident, so somebody probably clicked on "report" by accident. Don't sweat. It happens a lot to some people, or they'll leave a message sometimes saying "Oops! I didn't mean to!"

AND Of course it's not private. Who the heck thought that? You people are insane for thinking that signing up for these online social networking websites will be entirely private. If you wanted to keep certain things private, then don't post it onto the internet. So simple. When I post pictures and videos up, I know they will and can be watched/seen by ANYBODY AND even saved by FACEBOOK themselves. Anybody can just right-click and save your picture. DUH PEOPLE come on now.

You can disable your name from being shown on google searches:
Settings (Beside the Logout Button) > Privacy Settings > Search > Uncheck 'Public Search Listing'

This may be of use:
10 Privacy Settings Every Facebook User Should Know

There's a limit to how private your info is. BTW... every time you do a facebook quiz, you are releasing all kinds of personal info to marketers (the guys who make the quizzes and sell you're information). By info I mean things that would be in your profile that strangers normally wouldn't be able to see. (Age, race, political views etc... depending on what you put out there.