what hope to achieve from having the videos? what is the main advantage of video marketing? what makes a successful youtube campaign for businesses? what to avoid?
Well, first of all, what do you mean? Uploading and promoting videos? Or targeted Youtube ads? If we're concerning the first case - definetly it can help to improve your business. All the good companies have Youtube channel, FB fan-page etc. You should upload videos regularly, buy likes and views, also you can buy comments and likes to make your video more recognizable and to increase YouTube rankings. Links are no-follow on Youtube, so they don't passes PR and you should expect only clicks of interested users. Something like that. If we consider the second one - it's simply Adwords on YouTube. Professionally setted campaign could drive a lot of traffic to your website.