Other root causes include: a poorly defined process with inconsistent staff buy-in; none or limited architectural and code QA; limitedpost-deployment monitoring and assessment.
Note that the dirstate command, which tracks the state of largefiles, is currently limited to 2Gb in Mercurial 2.0, although there are hopes for a fix post the 2.0 release.
Unfortunately, current VoiceXML (VXML) platforms are limited and you cannot dictate a complete blog post, but you can use VoiceXML to post some standardized messages to an existing blog.