Killing GiantsBy: Stephen Denny Marketing expert Stephen Denny argues that any brand can directly challenge the giant of its category and not only survive, but thrive. While its inconvenient to be the little guy, it can also be a blessing in disguise. Giant killers can afford to shake things up and take bold steps. They can be faster and nimbler than giants who are too slow and hidebound to make painful but necessary changes. During his two decades in the trenches,