Since yesterday, users that don’t have a history of uploading copyrighted materials can upload movies on YouTube without being limited by the old 15 minutes rule.
The rule will apply for now to selected users, that were in compliance with YouTube’s rules, but Google didn’t offer additional details. However, not that the limit is no longer in place, you could try and let us know if you are amongst the selected few. To check if you qualify, log-in to your YouTube account and click the “Upload” button.
Here is a hint: Since many media streamers now support YouTube streaming clients, you can save all your family movies in the cloud and be able to access them from anywhere now that unlimited length movies can be uploaded. This way your entire family can share them from multiple locations.
The only rule is that you only upload original content. Family movies certainly qualify.
via YouTube Blog