Image via CrunchBase

Video consumption via mobile devices is now adding up to almost a quarter of all mobile data usage, according to a recent article in Mashable. This amounts to a lot of video viewing on everything from a smartphone, to a tablet, and even includes other mobile devices equipped with video viewing capabilities (hand held video game systems for example).

The history of YouTube, for those that follow the tech industry, is not surprising. Many are unfamiliar with the stats that surround the video social network, but here are a few staggering stats to start off with:

• More than 13 million hours of video uploaded videos during 2010 and 35 hours of video are uploaded every minute
• The equivalent of 150,000+ full-length movies in theaters each week
• More video is uploaded to YouTube in 60 days than the 3 major US networks created in 60 years
• 70% of YouTube traffic comes from outside the US
• YouTube is localized in 25 countries across 43 languages
• YouTube’s demographic is broad: 18-54 years old
• YouTube reached over 700 billion playbacks in 2010

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With these stats in mind, you can see how marketers would be attracted to the platform for interactive and engaging forms of advertising. Considering how many people these ads could reach, and how niche some of these channels on YouTube are, it’s a marketing dream. The infographic below sheds insight on the history of marketing on YouTube, where it started, and where it is today.