Coca-Cola, one of the brands studied in the YouTube report, said that using YouTube allowed it to "build relationships" with customers.
"We love the opportunity YouTube gives Coca-Cola to interact, build relationships and share stories that are authentic and relevant to the brand," said Chris Bigda, director of connections planning and investment for Coca-Cola North America, in YouTube's blog post.
"We (Coca-Cola) are seeing continued success on the platform, uploading higher quality content and achieving better results for it," he added.
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Google's second-quarter earnings, announced last Thursday, beat analysts' expectations, with its chief financial officer attributing the strong performance to growth in YouTube and advertising revenue.
Furthermore, YouTube is the video advertising market's "top dog" according to eMarketer, having claimed 19.3 percent of all U.S. video ad spending in 2014.