answer this!

Zappos.com more than quadrupled its yearly sales the 2 years following its launch in 1999. In 4 years, the company hit the $70 million-grosssale ceiling. According to Zappos' executives, the company advertising costs were minimal, and it has benefited from positive word-of-mouth marketing. Of the following strategies below, which one may be most helpful for building on Zappos' success? 0 Hiring a PR agency 0 Designing a new logo 0 Developing a global TV campaign Developing an integrated Digital Marketing Strategy leveraging a variety of social media outlets O Channelling all marketing and advertising efforts to Facebook