But if you take into account the use of open source products like Xen and KVM in massive data centers, web server farms, and by web application providers like Google and Salesforce.com, the CPUs running open source virtualization likely dwarfs the commercial market.

FORBES: Red Hat At $1 Billion

It uses standard Internet protocols, which means it can take advantage of the many server farms around the world that offer up Web pages.

FORBES: Better Than YouTube

By enabling applications to both scale in capacity and provide non-stop availability, server-farms have played a major role in the rapid expansion of Web-based computing.

FORBES: Big Data Analyzed Fast In Memory -- For Finance, Online Dating, Home Shopping Network

It would seem to me that most of those who energetically campaign against the planting of wind farms in their bosky vales do so not out of a profound appreciation of the dew-jewelled web of life, but merely as spectators who wish the show that they've paid admission for to go as advertised.

BBC: A Point of View: In praise of wind turbines