The Mitchell Brothers O'Farrell Theatre strip club is credited with the invention of the lap dance when during 1977 their new stage, New York Live, pioneered customer-contact shows with strippers that came off the stage and sat in the laps of customers for tips.
Some fans communicate multiple times a day with models through social media.
The tokens can also be used to buy videos or souvenirs of the model.
The websites provide the transactional platform, and then collects and distributes a percentage of the tips to the models.
However Amanda made an important early discovery that would influence the camming industry for decades to come – that a website's popularity could be greatly increased by enabling viewers to chat with a performer while online.
Since the early days of live Internet broadcasts by Ringley and Amanda, the phenomenon of camming has grown to become a multibillion-dollar industry which has an average of at least 12,500 cam models online at any given time and more than 240,000 viewers at any given time.
And in the early 20th century sociologist Paul Cressey noted that within the hundreds of taxi-dance halls of America, "the traffic in romance and in feminine society" would become available when taxi dancers would offer their companionship and "the illusion of romance" for ten cents a dance.