As we've seen with the Hillary video this week, online videos are only growing in popularity. Campaigns aren't alone in creating videos for the Internet. Every industry is scrambling to add a video component to their overall strategies, but who's watching?

Earlier this week, Magid Associates released survey results on the demographics of online video viewers:

Overall, among 12- to-64-year-old Internet users, daily usage of online video rose by 56% over the last year. This year, 14% reported using online video every day--up from 9% in 2006. Weekly usage also rose 18% over last year, with 52% of the Internet users viewing online video once a week or more, compared with 44% in 2006.

In all age groups, Magid reported, males are more regular viewers of online video. Among females ages 18 to 24, weekly use of online video is 53%. The population that has the lowest rate of weekly online video usage is older women. Among females 55 to 64 years old, 39% report using online video weekly.

When 50% of Internet users are watching videos weekly, it's a strong arguement to somehow fold this tactic into the web.

But is this a fad? If the iPhone takes off, there's a good chance that YouTube will remain a top web destination for while. Furthermore, YouTube is increasing globally. A Guardian article yesterday highlighted YouTube's expansion in Europe on the web and mobile devices.