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