Communication is how the internet became so cool. I still remember using ICQ back in the days for hours and it was texting only.
* Yahoo! Messenger 3.0.2 (Free) Download Here Allows you to see when your friends get online. You can chat, send files and also have webcam support. PowerPC Friendly 10.4.+ (Tiger) or later
* Yahoo! Messenger also available for Classic Mac OS 8.1 – 9.2.2.