Some of the most popular features requested by users are already available in the online interfaces: group chats, invisible mode, AIM integration, so we should expect to find them in a new release of Google Talk. Other features are already standard in other IM clients: video conferencing, conference calls, phone calls.
Last year, a presentation for Google Apps inadvertently included a screenshot of Google Talk enhanced with the ability to make phone calls. In the comments, someone informed us that "internally at Google, this feature is already active since long".
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What would you like to see in this all-new version of Google Talk?