I had a great time interviewing Mark Suster for my web is dead series.
Basically, Mark believes that Open wins over time. AOL, Dell, Microsoft and Google seemed unbeatable, but market forces eventually chip away at areas that are closed to technology..
Here is the interview:
The rest of the interviews, Fred Wilson, Brad Feld, Jon Steinberg, Chris Dixon, Eghosa Omoigui and Seth Levine are archived here.