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6 Awesome Easter Eggs Hidden in Programs You Use Every Day

We've told you about the most mind-blowing Easter eggs hidden in movies, music, video games, and even centuries-old works of art -- but there are other Easter eggs that don't require you to watch DVDs frame by frame or spend hours trying every possible button combination in Street Fighter II to seek them out. Hell, they don't even require you to leave your computer.

That's because some of the programs and websites you use every day are filled with hidden jokes or secret features that prove that programmers are even nerdier than we had assumed. Like ...

#6. Creepy Hidden Messages in Your Web Browser

There's a creepy hidden message in the Web browser you're using right now. Assuming it's Mozilla Firefox. If it isn't, then kindly open Firefox and read that sentence again. We'll wait.

Every Mozilla browser includes a special "about" feature that allows you to configure certain sections just by typing "about:whatever" into the address bar. For example, if you type "about:about," you'll see a list of all the menus they offer. Some of the menus are actually cute Easter eggs, like "about:robots," which takes you to a page referencing things like Blade Runner, Futurama, and the eventual annihilation of all mankind.

via Firefox
See? It's cute, and not at all sinister foreshadowing.

However, if you type "about:mozilla," perhaps looking to learn a bit more about the browser, you'll come across a red screen with ominous Bible-like text written on it:

What the complete hell? What you've just read is an excerpt from the Book of Mozilla, an ongoing text of apocalyptic literature secretly inserted by Mozilla into each of its Web browsers dating back to when the company worked on AOL's Netscape in 1995. So if you typed "about:mozilla" 17 years ago, you'd see this:

And in 1998, when the next version came out, it looked like this:

When Mozilla launched its own browser, Firefox, they kept including the secret messages to maintain the tradition, and possibly preserve their pact with Lucifer. Here's the passage from 2003:

Apparently, each verse is a metaphor for one of the updates Mozilla has released. Hidden developer commentary in the code of the 1998 page confirms that the beast "Mammon" is actually Mozilla's main competitor, Microsoft Internet Explorer. The first verse we showed you says that Mammon has become "naught but a follower," a reference to the fact that the latest editions of Internet Explorer straight up ripped off several features from Mozilla. Among them was the "about:mozilla" page -- if you type that in some versions of Explorer, it takes you to a blank blue screen.

via Internet Explorer
Or it might just be IE crashing.

#5. You Can Play Snake in Any YouTube Video

So that hour-and-a-half Motley Crue concert from 1989 you want to watch on YouTube is taking forever to load, and you can't find your early 2000s Nokia phone anywhere to play a game of Snake while you wait. Don't worry: You can kill two birds with one stone, thanks to this Easter egg that turns any YouTube video into a retro gaming screen.

YouTube
Snake is like a Human Centipede version of Pac-Man, if you think about it.

Seriously, just open up a random YouTube video (it only works if you're on YouTube.com, so we can't embed one here) and while the playback is paused, hold down the left arrow key and press up at the same time. Now be prepared to waste several hours chasing those damned dots and trying not to run into your own tail.

YouTube
PROTIP: Play it on any video from Tron for extra radness.

After this Easter egg was discovered in 2010, people even started uploading black-screen videos specifically to make the gameplay easier, since many users who played Snake on top of the Dark Knight Rises trailer reported that they kept trying to eat the wart on Christian Bale's face.

But what if you're at work, where YouTube is blocked, and all this talk about Snake has made you nostalgic? Don't worry: If you're using a Mac, there are some games hidden on your computer that you probably didn't know about. For instance, open the Terminal application (in the Utilities folder), type "emacs," and then press Esc and X at the same time. Now type "snake" and voila.

via Mac OS X
In case you were wondering what Unix herpes looked like.

But that's not all: Repeat the same process with "tetris" instead of "snake" and see what happens. Yep, the classic puzzle game is here, too.

via Mac OS X
Remember when "productivity" was a thing?

Wanna play Pong? You know what to do.

via Mac OS X
Rendered here with the Crysis 2 engine.

Now do the same thing and type "call of duty: black ops 2" and ... OK, nothing happens. Maybe one day.

#4. Your Mac Can Psychoanalyze You

Getty

While you've got your Mac Terminal open, there's something else we bet you didn't know it could do: A hidden feature allows your Mac to psychoanalyze you like a shrink.

To do this, open Terminal and hold Esc and X at the same time. This time, however, type "doctor" and a message will appear prompting you to "describe your problem." Type whatever is troubling you at the time (say, "I have a tendency to blindly follow orders from comedy websites"), and the program will reply with something a psychoanalyst might say.

via Mac OS X
"Buy two iPhone 5s and call me in the morning."

But there's more. If instead of "doctor" you type "yow," the program will spit back a series of inexplicable phrases that will make your brain melt, such as:

With YOU, I can BE MYSELF ... We don't need DAN RATHER!

I was making donuts and now I'm on a bus!

The LOGARITHM of an ISOSCELES TRIANGLE is TUESDAY WELD!

Look into my eyes and try to forget that you have a Macy's charge card!

...The TENSION mounts as I MASSAGE your RIGHT ANKLE according to ancient Tibetan ACCOUNTING PROCEDURES..are you NEUROTIC yet??

But if you really want your Mac to look like it was possessed by the ghost of Salvador Dali on meth, try typing "psychoanalyze-pinhead." Do this and an endless string of text will quickly scroll by your screen -- press Option and G to stop it and read the text. It looks like a conversation between a psychiatrist and a clearly disturbed person living inside your Mac.

via Mac OS X
"Someone take away Wozniak's crack pipe."

But don't worry, there's an explanation for this. The "doctor" command is actually an old program called ELIZA that simulates a real conversation (mostly by just repeating the same thing you said as a question). Meanwhile, the "yow" command is programmed to spout random quotes from the comic strip Zippy the Pinhead, known for its surrealist non sequiturs.

Finally, "psychoanalyze-pinhead" simply combines the two previous commands, feeding the Zippy quotes to the ELIZA program, which results in even more incomprehensible nonsense. If you don't have a Mac, you can replicate the same effect by going to Chatroulette and talking to a real crazy person.

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