On: No, you can't do that with H.264

[alextgordon]

Apple and Microsoft are the barriers. Neither one is going to adopt Theora.

[jrockway → alextgordon]

If people are willing to download malware to look at porn, why wouldn't they download a new video codec?

[alextgordon → jrockway]

On the iPhone, they can't. On the desktop, it's more likely that they'll click the back button than download a codec, install it, relaunch their browser and navigate back to your site.

[jrockway → alextgordon]

How do all the Vista and XP users view H.264 videos? Oh yeah, by installing a plugin.

[blasdel → jrockway]

A plugin called Flash, which %99.99 of them have.

100 million of them have installed VLC, and the standard DirectShow codec packs probably have at least that too.