You might not know it by looking at your e-mail inbox, but the tide has turned in the war on spam. On the surface, things are still getting worse. On May 2, Brightmail, a maker of spam-blocking software, announced that unsolicited commercial e-mail accounted for 46% of all e-mail traffic, up from 18% a year ago. Now, there's a rising tide of protest from businesses and consumers demanding action. And government and the tech industry are responding.
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