What Happens If You Click the Exclamation Mark on Yahoo!'s Homepage?

If you click on the exclamation mark on Yahoo!'s home page, you'll hear the "Yahoo!" yodel. The yodel is one of thousands of "Easter eggs" that show up everywhere from Facebook to Flickr to Google. For instance, if you type "answer to life, the universe and everything" in Google, without the quotation marks, the first result will say "answer to life, the universe and everything = 42" — an homage to author Douglas Adams. You can also search Google in Klingon, Elmer Fudd language and pirate-speak.

Other computer tricks:

• It's possible to turn your computer screen on a Windows PC upside down by using the combination CTRL+ALT+Down key.


• You can use Google as a calculator simply by typing equations into the search bar.


• If you want to search for a word and its synonyms on Google, just put a ~ before the word.


• If you type "pv zk bschk pv pv zk bschk zk pv zk bschk pv pv zk bschk zk bschk pv pv bschk bschk kkkkkkkkkk bschk" into Google translate, then translate from English to German, you'll be treated to some beatboxing.


• The Konami code — up, up, down, down, left, right, left, right, b, a — also activates a number of hidden features throughout the web. If you type it in while using Google reader, the screen turns slightly blue and a ninja drops down. If you do the same on the BBC's Glow site, you'll see a picture of K-9 from Dr. Who.