'"Yelp spokeswoman Kristen Whisenand denied that the reviews depend on whether businesses buy ads. "I don't know the exact script people use when they sell adve

'"Yelp spokeswoman Kristen Whisenand denied that the reviews depend on whether businesses buy ads. "I don't know the exact script people use when they sell advertising," she said. "But there's no amount of money anyone can pay Yelp to manipulate reviews."' They're not answering the concern. Manipulating a review isn't what they're being accused of - they're being accused of manipulating which reviews are shown / used for calculating an overall rating - as far as I can tell.