I found an article about how could the firefox addon could be spammy! there is no official facebook dislike button. Check out this article
that's not an article. that's a spam lolz. they are trying to convince facebook to add dislike button.
Well, in code of that "script" for dislike button is virus, keylogger..On Facebook some hackers are trying to convince us that we can have Dislike button and some of us are trying it. Stupid but true!!
Facebook has not added an official dislike button and so many are asking! but there is so many third party app (spammy app ) that pretend adding a dislike button. I added once a mozilla addon and adsense appeared on facebook!odd :s
Obviously you shouldn't be going around adding these "dislike" buttons. None of them are facebook official and probably have something like malware attached to it.
Never happen , if you click dislike button to someone status , the writer of status will get like from you (Not Dislike) , but the writer of status can get dislike from you too , if the status writer , have the same addons like that ... Correct me if i'm wrong ;D
I'll have you know this: Most of those "spammy apps" do NOT contain virus's, they are a simple and effective way of making money on Facebook by trickery. The scam works like this: You create a Fake App, like for example the Dislike Button (which you just know is going to spread!), then you make it so that people have to invite 15friends first and then continue, then they have to fill in a survey (you get PAID!!!) to continue, then theres an "error" (guess what, it doesnt work, people dont mind they just forget all about it not realising they just made you money). If you want more information on this sort of thing, give me a shout. FM.
I agree with FB Mastermind... in my opinion: It just an app to produce money. It's no problem if it not bring virus or something like that to the users. It will just waste their time. But be careful with app in the FB. It can use your information. Just use trusted app