Ninety minutes is an insane amount of time to spend watching one YouTube video, but this one is worth spending the time on.

Google Wave was developed primarily in Sydney and is a potential game changer. Ok, I’m going to rephrase that – this IS a game changer in the most significant kind of way. It’s intuitive, it eliminates a whole lot of duplication and it actually improves the email experience. Before i start dribbling, do take the time to watch the video and make your own judgements:

Of course, I have a potted history with predicting Google successes, having been very upbeat about Google Lively, which died after a few months operation.