A federal judge ‘Christina Reiss’ in Vermont has ruled that there should be no expectation of privacy for data shared across peer-to-peer file-sharing services. The Internet has dramatically increased the access of the preferential sex offenders to the population they seek to victimize and provides them greater access to a community of people who validate their sexual preferences. A P2P network consists of a group of PCs that can exchange files with one another without going through a centralized server, saving time and bandwidth space.
Source: https://thehackernews.com/2013/11/federal-judge-ruled-at-child.html

