"Silicon Valley is like a military base: There are very few civilian women and lots of money," one Silicon Valley entrepreneur told USA Today on condition of anonymity.
That doesn't seem to be the case in other cities. The Urban Institute released a report in March that tracked the sex trade in eight big cities across the United States. In five cities, the underground sex industry shrank between 2003 and 2007.
Sex workers have been flocking to the Valley for quite some time, Guynn writes:
At the height of the dot-com boom in 1997, the San Jose Mercury News called the technology industry a "prime target for trafficking" because of all the "lonely single men with money to burn."