Narrow down your results by adding or subtracting another category. Numbers in the columns below indicate how many stories will be shown as a result of adding / removing each category. [ Help ]
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To narrow down your selection of articles, click on the "AND" or "NOT" next to any of the categories below. Say you’re currently browsing entries in category "A", you can then drill down into entries that belong both to category A and another category, or belong to category A but not another category. For instance, you could list entries about demographics in the automotive sector, or entries about email marketing that are not about spam. Numbers in the columns below indicate how many entries the selected operation will narrow your query to. You can combine multiple intersection and exclusion criteria to further limit the number of entries.
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One-Fifth of US Households Use Only Wireless Phones
More than one of every five US homes (22.7%) had no landline and only wireless phone service during the first half of 2009, an increase of 2.5 percentage points since the second half of 2008, according to preliminary results from the January - June 2009 National Health Interview Survey by the US Centers for Disease Control ( [...]
Posted: Monday, January 11th 2010
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