Wendy Nguyen — $14,000

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Wendy Nguyen strayed far from her psychology major when she started a YouTube channel devoted exclusively to scarves. Her first video, 25 Ways To Wear A Scarf, went viral in under five minutes.

Her video has been seen over 25 million times and netted her over one million followers on Instagram. She is reported to be bringing in between $1,000,000 and $4,000,000 per year with her social media musings.