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