The Internet and associated technologies have greatly enhanced the ability of groups to communicate directly with individuals, targeting their message to potential recruits anywhere in the world. Easy access to a broader public enables groups to maintain contact through relatively anonymous channels that may seem impervious to interference. But this seeming invulnerability is deceptive. The flip side of diversification of terrorist assets and channels of communication is the relative sensitivity of their assorted sources of support to targeting errors or changes in the public mood.
