What does 0-cloud mirror stands for in R 3.x.x ? Just after installation R 3.0.1 I spotted that there is new mirror called "0-cloud" what is it ? I can't google it, I suppose that appeared just in 3.0.1 version.
It is a content-delivery network (CDN) created by RStudio to provide "local" CRAN mirrors. CDNs essentially bring mirroring to "the edge of your network". Think Akamai hosted by or near your particular ISP. The Wikipedia article I linked to has more.
I always presumed the name was mostly chosen to sort highest...