More than you need to know about on-line sex.
Sex is also one of the few businesses making money in the Web publishing racket.
Long before the Web took off, in 1994, the Internet's Usenet newsgroups were choked with binary codes that could reveal nude images. The stuff's so tantalizing, even Republican consultants can't stop themselves. But first, a few caveats. Also, remember that color pictures take a long time to download. That means that for most, cybersex has all the sudden inspiration of a consensual-coitus manual.