exampleuser" On October 13, 2005, Yahoo and Microsoft announced plans to introduce interoperability between their two messengers, creating the second-largest real-time communications service userbase worldwide: 40 percent of all users (AIM currently holds 56 percent).
The announcement comes after years of third-party interoperability success (most notably, Trillian and Pidgin) and criticisms that the major real-time communications services were locking their networks.
For instance, a web page might include a link like the following in its HTML source to open a window for sending a message to the YIM user exampleuser: ymsgr:sendim?
Yahoo Messenger's installation process automatically installs an extra uniform resource identifier (URI) scheme handler for the Yahoo!
Messenger Protocol into some web browsers, so that URIs beginning can open a new Yahoo Messenger window with specified parameters.
It was also the first major IM client to feature BUZZing and music-status.
M) is an advertisement-supported instant messaging client and associated protocol provided by Yahoo! Yahoo Messenger is provided free of charge and can be downloaded and used with a generic "Yahoo ID" which also allows access to other Yahoo! Mail, where users can be automatically notified when they receive new email. also offers PC-to-PC, PC-to-Phone and Phone-to-PC service, file transfers, webcam hosting, text messaging service, and chat rooms in various categories. Messenger was originally launched under the name Yahoo! In addition to instant messaging features similar to those offered by ICQ, it also offers (on Microsoft Windows) features such as: IMVironments (customizing the look of Instant Message windows, some of which include authorized themes of various cartoons such as Garfield or Dilbert), address-book integration and Custom Status Messages.
These included: On November 4, 2014, the Electronic Frontier Foundation listed Yahoo! It received a point for encryption during transit, but missed points because communications were not encrypted with a key the provider didn't have access to (i.e.