Icq was invented by Israelis.
ICQ is a homophonic abbreviation for "I'm looking for you", commonly known as network pager. It is an instant messaging software developed by Israel Singular Company 1996, which can instantly send short messages, voice messages, chat and send files, and let users check the networking status of his friends. Moreover, it also has a powerful "integration" function, which can integrate pagers, mobile phones, emails and other communication methods.
Oicq is an instant messaging software of Shenzhen Tencent Company, which was later renamed qq due to copyright issues.