The very short version of a new announcement from Intel is that upgrading a CDN server to the latest technology could enable a 10x power saving – more than justifying the capex, via the money saved on electricity bills. For the cellular industry, which is slinging more video than ever before, while simultaneously under ever-more onerous budgetary pressures, there are lessons to be learned here. We first heard of this test project at MWC, back in February, but the wheels of the legal and PR machines turn slowly, and so the news has only now been approved. We spoke to Frank Miller, CTO at Swedish CDN and caching specialist Varnish Software, who did a much better job at conveying the…