By CBS News Staff Social-media campaign aimed at discouraging people from texting behind the wheel has so far garnered more than 5 million pledges.

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Source:: http://cnet.com.feedsportal.com/c/34938/f/645093/s/3ec2af0d/sc/7/l/0L0Scnet0N0Cnews0Cx0Ecampaign0Egoes0Eviral0Eto0Efight0Etexting0Ewhile0Edriving0C0Tftag0FCAD590Aa51e/story01.htm