They are a little different. They scan the Newsfeeds and links on your wall and check it they are trusted or not even before i click on it.
I think Avast doesn’t unless i click on it.
Isn’t it?
Recently, one of my friend posted a status
“WOAH! my profile was viewed 70 times JUST TODAY, and I can see that I have quite a few stalkers LOL! Find out yours here xxx.tiny.cc/DrTruth”
But it was a spam and BitDefender SafeGo detected it but not Norton
It is not a desktop replacement or anything. It is said to be cloud based as well. I dunno what they mean by it. Just only for Facebook and inside Facebook.
One of these “spy apps” in fb is believed to install a backdoor,it’s now suspended by facebook.It’s been a while since i read it but you know,just in case.