Just how can I post video clips > 15min to YouTube?
You can't without coming to be a companion.
The upload restriction on YouTube video clips has actually been raised from 10 mins to 15 mins. Among the factors we can increase the video clip time frame is that we've made step-by-step renovations to our Content ID modern technology that aids web content proprietors handle their video clips on YouTube. We expect raising the upload restriction as Content ID remains to advance and also come to be a lot more innovative.
If you intend to post video clips longer than 15 mins, attempt an additional website such as Vimeo, Blip.tv or Viddler. You can additionally organize it on your own making use of JWPlayer and also a CDN such as CloudFront. As Even Mien claimed in the remarks, you can additionally see if you can become a partner.