Google Suggest
Cristiano writes "As you type into the search box, Google Suggest guesses what you're typing and offers suggestions in real time. This is similar to Google's 'Did you mean?' feature that offers alternative spellings for your query after you search, except that it works in real time." It crashes Konqueror, but works nicely on Mozilla. Update: 12/11 by J : The engineer who thought of it, then built it in his "20% time," blogs about the process.
Wonder how it'll hold up when it gets out Beta though...it's bound to be pretty computationally intensive.
An Indian-American Hindu committed to non-violent thought/speech/action alarmed by the global explosion of radical Islam