While iMessage and Meta's apps dominate modern messaging, there have been many other instant messaging apps that were hugely popular in the past.

These days, we take internet-based chatting for granted. We're spoiled by a massive (and admittedly fragmented) ecosystem of direct messaging (DM) services on our phones and PCs, ranging from WhatsApp ...

America Online, the world's largest Internet service provider, on Thursday said it had launched services that let users conduct audio conference calls and share online presentations over its popular ...