What is ICQ?
ICQ was one the first instant messaging services available online. Launched in 1996 by an Israeli startup company in Tel-Aviv, it was the first instant messenger available outside of UNIX/Linux and reached staggering heights in a matter of months. Now owned by America Online, it boasts a subscriber base of just under 150 Million plus users worldwide, thus making it the largest community on the Internet.
Level of support
Conferance chat: NO
Contact pictures: NO
File transfers: NO
Problematic international compatibility with old ICQ clients