Open Notepad, Word, or any other text editor with the ability to change font.

Change the font to "wingdings".
Make sure the size is big, so you can see it clearly. Like size 72.
Turn caps lock on.
Type: NYC (The initials of New York City)
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Chenge the font to "webdings".



The first one has been confirmed from microsoft that is nothing more than a coincidence.
The second one they said that it's not that much of a concidence :P

This is one of the 5 most known conspiracy theories.

 

I've heard this one before.

It looks like a planes crashing into buildings, right?

 

No, that's the "q33ny" hoax.

With the wingdings font it shows a Skull, the David's Star and a "thumbs up" hand.
With the webdings font it shows an eye, a heart, an some buldings' skyline.

 

I tried it, then lol'd.