[ricardo]

I saw the same message when attempting to view a video on NBC's Olympics site. After grudgingly installing Silverlight I was still unable to watch anything. The videos require Silverlight 2 or 3, neither of which is supported on a PowerPC mac.

[g0atbutt]

I don't understand why they are trying to push 2 proprietary formats on us. You think they would at least try to stick with just one if they weren't going to go with HTML5.

[ricardo]

NBC doesn't care about formats. They probably made a great deal with Microsoft to make Silverlight the exclusive choice for their Olympics coverage. NBC makes some money and Microsoft gets their plug in installed on a lot of machines that wouldn't otherwise.

[dschobel]

Well the motivations for MS and Adobe are obvious.

MS definitely (not sure about Adobe) chooses high profile video intensive sites to "partner with" to show-case their platform.

In short, it's business.