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Spam

The Ecological Impact of Spam 176

Posted by Soulskill from the hello-sir-madam dept.
krou writes "A new study entitled 'The Carbon Footprint of Spam' (PDF) published by ICF International and commissioned by McAfee claims that spam uses around 33 billion kilowatt hours of energy annually, which is approximately enough to power 2.4 million US homes (or roughly 3.1 million cars) for a year. They calculated that the average CO2 emission for a spam email is around 0.3 grams. Interestingly, the majority of energy usage (around 80%) comes from users viewing and deleting spam, and searching for legitimate emails within spam filters. They also claim that 'An individual company can find that one fifth of the energy budget of its email system is wasted on spam.' One of the report's authors, Richi Jennings, writes on his blog that 'spam filtering actually saves an incredible amount of energy.' He continues, 'Imagine if every inbox were protected by a state-of-the-art spam filter. We could save about 75% of the spam energy used today — 25 TWh per year; that's like taking 2.3 million cars off the road.""
Toys

Demo of Spatially Aware Blocks 109

Posted by ScuttleMonkey from the but-will-they-survive-my-2-year-old dept.
Chris Anderson writes "This 5-min demo just posted from last week's TED — got a big crowd reaction. It's a new technology coming out of MIT, about to be commercialized. Siftables have been seen before, but not like this. They're toy blocks/tiles that are spatially aware and interact with each other in very cool ways. Initial use may be as toys, but there's big potential for new paradigm of spatially-aware physical mini computers."

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