Here’s what I tagged on del.icio.us between January 22nd and January 28th:

• When Green Computing attacks - hype or heaven? - Register debate
• Validus taps DC power to save energy in data centers - Back to the future: DC power can save 40% of energy use in data centres, it seems
• Journalism’s frayed relationship with advertisers - The Boston Globe - “If there is a market failure to provide an adequate supply of journalism, there can’t be a public remedy for it. If one were proposed, Amy Goodman and Rush Limbaugh would have to link arms to block it. For it would mean government control of journalism.