However, in recent years, sustained research into countermeasures against such third-party interference in Internet communications has begun to add a new factor. The bulk of this research has not been conducted in university labs or corporate R&amp;D facilities, but spontaneously by teenagers, who use it to share copyrighted music with one another without paying for it.
这种自由不是自动到来的，因为即使是互联网与生俱来的开放性也可能因苛刻的政府过滤和监视而遭到极大的损害。然而，近年来，持续的反第三方干预互联网通讯的对策研究已经开始增加新的因素。这项研究的大量工作不是在大学实验室或公司研发机构进行的，而是一帮十几岁的青少年同时进行的，他们运用这种技术相互之间免费分享受到版权保护的音乐。