Sex Is Latest Cellphone Feature

Ring Tones, Cameras, Now This. The pornography industry is eyeing the cellphone as a lucrative new vehicle for distribution.

In the past, pornography has helped to drive the popularity of new technologies. including the videocassette recorder, cable television and the Web itself, and it is a source of revenue for many major media companies.

Since mobile phones are very popular with children, there is one stumbling block to streaming sexually explicit content; age verification.