The New Kids On The Block telephone came out in 1990. Someone was mentioning the other day that it was one of the first high profile 900 number rip off scams. The phone came preset with a hotline button that connected one hundred thousand unsuspecting little girls per week to recordings of the 'Kids' for 95 cents per minute. The service was advertised in newspapers and television as well.

AT&T has confirmed that the Hulk Hogan Hotline was the most lucrative 900 line in the United States from 1991 through 1993. Other early leaders in amassing huge volumes of revenue were the New Kids on the BlockDionne Warwick Psychic Network. – Wikipedia