input: [Features / implementations] Google Talk [Requires installing software] Yes (Windows) [Tabs] No [Themes] Yes [Gmail notifications] Yes [Calendar notifications] No [Invisible status] No [Music track status] Yes [Text chat] Yes [Multi-user chat] No [Features / implementations_10] Google Talk [Saving messages to Gmail] Yes [Audio chat] Yes [Voicemail] Yes [Video chat] No [Send SMS] No [AIM integration] No [File transfer] Yes No No [Copy the text of a message] 
output: Yes