Yes, you can. But you need to have a very specific software which is called "sniffers", basically it allows you to catch network packets and look through information they carry.
== == _____ AlarmingSword's post onward. Using sniffing or router history (or even internet browser history) people can see what you have been doing. Your ISP can also see what you do unless you use a virtual network such as TOR. == == == == == ==
Start->Run->cmd->ipconfig. You will see information about your network adapters.
If you mean people you share the network with, the answer is yes. They can see what you are doing if they have proper software for that. The only way you can protect yourself is to use proxy server, or another kind of encrypted connection.
Sometimes it's harder to understand how a person feels while talking on social network websites because you can't see their live emotions.
billions ,there are websites being made every they even if nobody goes on them. you see lots of people make websites using webs,weebly and things like that but they never turn out well.
Vandals started using it to post nonsense on websites. Chuck Norris isn't a joke, people laugh when they first see him
Yes.
You can make a calendar by using different websites; see related links.
Check these websites posted at the bottom of this page.
on sertain computers you can stop other computers on the network from viewing there shared files and folders but it is called "sharing and printer sharing" if you using xp then you can enable it.
Legal movies can be found on Hulu and major network TV websites
Some of the most popular ways to block websites include using the parental controls. These vary from system to system but they can be used to block sites that people do not want their family to see.