When she learned of the possible mention, Ms. Krepak paid her manufacturer in China four times more than usual in shipping fees to get a rush delivery of her product.
For a range of fees, it has begun offering faster delivery, pay-per-use technical support and consultants to help customers use their plastics more efficiently.
As the delivery of music videos migrates away from TV to the Internet and cell phones, the companies are extracting fees for each video stream from vendors like Yahoo!