You must be very aware of Google Web API Terms of Service. You must obtain a developer key that you will include in each API use, you are allowed only 1,000 automated queries per day, and perhaps most important, you may not use Google API for commercial purposes. It is only for your personal use, and you of course may not violate any laws or copyright protection.

Google provides a developer's kit to help you get started. Data is interchanged between Google and application program using an XML structure, so results from Google should be relatively easy to parse even for only moderately experienced developers. If you have problems or questions, Google offers Getting Help, Reference and FAQ links, and you will find help and discussions on any of several forums should you need more help. Just search Google - from search box!

Perhaps biggest change, and one many adult surfers will most appreciate, is addition of Webcam, photo, and voice chat capabilities. Voice chat, in particular, will probably appeal to a broad audience. With it, a pair of speakers, and a microphone, you can talk live with contacts, over Internet, even internationally, for free, using voice over IP technology. Most of time, depending on network traffic between you and other party, conversation is loud & clear, and there is very little delay.

You may have wondered why your teens would prefer to type messages when they can just as easily call their friends. Now, with Yahoo Messenger, they, and you, can do both, using same software!