You want to use a copyrighted song in your video. When do you need permission to use a song

Here are five reasons why interactive pre-rolls (Polite Pre-Roll, Ad Selectors, and In-Stream Takeovers) are redefining what video can achieve and why advertisers should continue to adopt these units.

Dove's Real Beauty Sketches is the most-viewed online ad of all time, according to Unruly. It's also the most shared of 2013 and the third most-shared of all time. Dove tapped into an emotional subject and really delivered the goods, and it's one of video's shining moments.

YouTube Creator Academy starts up on June 3-June 16 with a course called "Maximize Your Channel." The free online course is open for registration all the way through to June 16. The course is designed to maximize the features of YouTube's One Channel design.

Google and Microsoft have been facing up to each other all week over the Windows YouTube app which has yet to be settled - although Google's 'Cease & Desist' letter might hasten Microsoft's decision about whether to allow ads and prevent downloads. In other news, YouTube's 'Comedy Week' starts tonight - we can't wait!

Chris Hadfield's "Space Oddity" highlights Fun Video Friday. But we have a ton more in store: ducks stop a police chase, Epic Meal Time reaches into their horror bag again with a Bacon Arachnid, and Abercrombie & Fitch get their just desserts.

Google wants their new VP9 codec to be royalty-free, but patent disputes could prevent that from happening. Meanwhile, VP9 is supposed to have double the image quality using half the compression of H.264. In other news: H.264 could be H.265 soon, so there's that

Google's annual developer conference, the I/O, introduced a number of new features including a new video codec aimed at reducing bandwidth, a new cross platform 'all in one' video chat service and a music streaming rival to Spotify. Oh, and they also confirmed the latest YouTube stats.

There seem to be a lot of bullet points to cover when it comes to creating a viral video.

If you're on Dailymotion, the second-largest video-sharing site only to YouTube, you can create your own channel app that your fans can download to virtually any device. That gives people quick access to your channel wherever people might want to watch your videos