GOOG-411 is a free telephone directory assistance tool. To use the service you have to dial (1-800) GOOG-411 and have an automated operator asking you questions in order to narrow in on what you’re looking for. Once you found the business, Google connects you for free.
You don’t need a PC, Internet connection or keypad on your phone/mobile phone. GOOG-411 is voice-activated and you can access is for free, anytime, anywhere. GOOG-411 can also send you text messages with more detailed information and maps if you say “Text message” or “Map it.”
This is very useful when on the go and can save you a lot of money when using your mobile phone.