Lifestyle can really throw a monkey-wrench in the process, no matter how dedicated the sleeper wants to be: no amount of iron will can compensate for a hectic work-schedule, or kids, etc.

The arguable mischaracterization of YouTube seems to throw a big monkey-wrench in Hitwise's usually fabulous market analysis, but as a general trend social network is undoubtedly growing.

The decision will throw a monkey wrench into our efforts to develop a national broadband policy.