Thanks to Ben for alerting me to Google Wave - wave.google.com.It led me to the Google Wave developer preview presentation at the Day 2 Keynote of Google I/O (it's 1 hr 20mins long).LINK"What might email be like if it was invented today?" (5min 30sec).Google Wave is Google's response to that question.At first I didn't get what Google Wave was about. How would it be different from email? Or current wikis, photo and video sharing platforms?What's the difference between this model of...