Google amazes me again...

https://www.google.com/webhp?complete=1&hl=en

Type slowly. Yes, it's round tripping between each keyboard stroke. Amazing.

Comments

• Anonymous
  December 19, 2004
  Here's a good link if you're interested on how Google Suggest ticks :D
  
  http://serversideguy.blogspot.com/2004/12/google-suggest-dissected.html
  
  
• Anonymous
  December 19, 2004
  ASP.NET 2.0 has loads of out-of-band callbacks :-)