Tools such as smartphones, SMS, instant messaging,A 2008 market study found, for example, Twitter and Facebook are no longer usedthat both year-over-year (2007 to 2008) simply as stand-alone services or devices butand sequential spending by boys dropped form a social web that is changing howby 3 percent, whereas spending by girls people think, behave, socialize,was up 6 percent from 2007 but commu