Posting video is so powerful that if you us it your business will go to the next level. The traffic that visits your website from you videos will be quality. When you get quality traffic to a website you do not need thousands of visits to create a few sales.
If you think that writing articles is a powerful way to drive quality traffic, you have not seen anything if you are not using video. If you do us articles keep using them because they do drive great traffic also.
With all the software and digital camera's on the market now it is very easy to create a video and post it to free video hosting sites like youtube, google, ifilms, and many more free websites you can post to.
Jump into the video post marketing now, don't wait until next year then decide that it is time after you see 100's of markets doing it. The trend is still young and you should get started now.