They do not always win , as Hillary Clinton did not in 2008 There is little or no campaign advertising using TV , particularly by the candidate , during this period .
Online advertising may be used to build mailing lists of grassroots supporters and small contributors .
They do not always win , as Hillary Clinton did not in 2008 There is little or no campaign advertising using TV , particularly by the candidate , during this period , although online advertising may be used to build mailing lists of grassroots supporters and small contributors .