It is very important for my video marketing work so please answer if anyone knows this answer:

What is the average min. length of videos for major video uploading sites (such as youtube, dailymotion, veoh, etc.) has to be in order to be approved for video being accepted?

average length of video that can be upploaded on youtube is 10 mins and it is so far the longest uploading time on any site

The minimum length of videos for major video uploading sites has to be atleast 3 minitues and 3 replies will be approvel on youtube and facebook is the site where tou can upload your videos.