As you might imagine, conversations tend to be more productive and enjoyable when theyre not interrupted and cut short all the time. Googles made a smart move, then, by upgrading Google Talk in several respects. The upgrades actually pertain to one of Google Talks most advanced features: the voice and video chat plug-in. As for what they do, users should experience fewer crashes when newer Macs are in the mix and benefit from increased webcam compatibility.