Google, eager to make money from YouTube, is testing ads for the mobile version of the video service.
"You may have noticed that we started running a test of display ads on select pages of the YouTube mobile site in the US and Japan. This is our first step in testing mobile advertising for YouTube," Christine Tsai, a YouTube product marketing manager, said on Google's mobile blog on Monday.
The test "will give [YouTube viewers] a new way to interact with content on the go, while allowing us to learn how video viewers engage with mobile advertising. Our test advertisers will also have an additional branding tool at their disposal and the opportunity to reach the millions of people who visit YouTube every day on their phones", Tsai said.
A top Google priority is finding a good advertising model for YouTube. Google chief executive Eric Schmidt has said finding the right form of advertising on YouTube is the "holy grail".
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