http://www.youtube.com/watch?v=I6IQ_FOCE6I http://www.youtube.com/watch?v=I6IQ_FOCE6I Always appropriate. On a side note, really hard to know whether this is a

http://www.youtube.com/watch?v=I6IQ_FOCE6I http://www.youtube.com/watch?v=I6IQ_FOCE6I Always appropriate. On a side note, really hard to know whether this is a bubble or not. I don't want to take either side, but you cannot refute that a billion dollars for a startup that did not gain any significant revenue seems like a lot of money.