Maybe you have seen a lot of spam on facebook. Messages and Funwall are usually where it stays. But, me, a really sophisticated person who used internet for half of my life, don't fall into spams, especially facebook messages and funwall, because with a little brain power, spam can be identified. A unknown person sending crap and funwall mass posting... ok, we get it.
But I never, ever expected facebook spam can be on my wall, the original facebook wall! Because I let my guard down, I finally fall for a spam.
This spam is not like normal spam, it's sophisticated spam. Please wait for explanation after reading my story.
Wall post:

hey... did you can almost get find anyone song available at http://got-served.com for you cell?
I will use "she" and "her" referring to the spam sending victim... for privacy sake(my blog is part of the mass media).
At first, I was a bit suspicious.
1. Initial response "What are you smoking?" The person who send it to me is the no.1 smartest kid in school, so those kind of grammar error is just.... shocking...
2. After visiting the URL, I found it redirect to another site, if I refresh, it shows another layout. The URL is a Doorway page, what spammers love to use. start to suspicious.
3. The wall post was posted at 12:24 pm today, I was with her at the AP chem class at that moment. Unless she uses her cellphone to post it, there is no other way. But seriously.. who would relies on me so much to actually use a cellphone to post a message like that?
But, I just don't believe there are something that can go into people's Facebook and post a wall post. I know no Facebook applications can do that.
So, I replied to the wall post with around 10 minutes of research across the internet.
And, to my surprise, 2 hours later, she told me that she never wrote the wall post.
I have been tricked by a spam! Nooo, that never happened in years!!! Not since the first time I clicked on a spam link!!!
After that, I start to do analysis(calculus!) on this spam.
First of all, I did some research, and found a forum post and a blog post with the same experience. The dates are really recent, so, not a lot of people noticed it yet.
Then, I wonder, how come this spam didn't get a lot people to notice, because usually, each user under the spammer's influence will send thousands of copies and...
The spammers are smart...
I'm the only person on her contact got this spam, in fact, I believe I'm the only person in my entire school got spammed.
So the spam isn't wide spread.
But why didn't the spammer send a lot? Spams like this can go maybe a few hours without wide notice, that can generated enough traffic to brighten those black hat customers' day.
Aha, on Facebook, a person can see who post on whose wall, so... 1000 same wall post can be easily spotted and suspected. "why all my friends getting the same(or similar) wall posts?"
She have over 100 friends, how come I'm the one to get the spam? is this spamming program smarter than I think?
Some hypothesis...
1. We have 29 posts on the wall to wall. the spam would assume I'm close to her and I'm more likely to pay attention to the wall post than others.
2. There are a few people with more posts on her wall... maybe it depends on how many characters are contained in total, I do write too much on walls...
This lead us to the worst possible conclusion.
Spammers are and capable to using your friends against you with a high chance of success.
They have bring the unholy to the best social network ever... 
I bet they are celebrating their success by drinking the blood of little children.
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