FoneMate owner Hank Zheng says a customer attacked him in front of his wife and baby when asked for proof of purchase on a faulty phone.

Some are out thousands of dollars after paying for furniture the store never delivered. "They're gone. No phone call. No text. No nothing," Sue Bolte, an angry customer said. Bolte and her husband ...

Good news for call center operators who are worn down by hostile customers with unreasonable demands—artificial intelligence technology can alter angry voices into calm ones. This should ...