diluted network

基本解释

While these large social networking companies are still figuring out their business models and the way they will monetize their massive reach, it behooves the industry (and investors) to consider that sharing diluted by the size of a social network may, in the end, be less valuable than information that is shared by close knit groups.
FORBES: Path, Privacy, and the Challenges Facing Small Social Networks
Founded by Pat Robertson, probably the most controversial fundamentalist Christian in America and still a force, if somewhat diluted, in the district, the college has produced a potent network of alumni that includes Mr Rigell and Mr McDonnell.
ECONOMIST: Virginia's second district