Oh man, I knew there were a lot but I had no idea.
I remember when Google Wave was demo'ed to a live audience, there were audible ooohs and aaahs from the crowd. It was such a mindblowing idea 14 years ago, shame it never really got off the ground.
"Google, thanks for inviting us all to the launch of perspectives! What are your goals with this new platform?"
"Perspectives? Perspectives on what? Who are you people? how did you get in here? Would you like to hear more about our new weekly meat-delivery service?"
"oh. . . . Uhm, sure. . . . Where is your product sourced from?"