As more consumers switch to smart phones, emerging channels are gaining importance in a marketing space that SEO has dominated. For years, brands have used SEO strategy to market their products, but it has become harder to find as an increasing number of search results are returning unrelated content.
Also, according to one entrepreneur, in 2013 organic search results made up only 13 percent of screen space. The rest of the screen was dominated by "ads and jun"
Problems with SEO-lead strategy are only magnified as more consumers view content on mobile devices. For instance, vertical and native search on mobile is continually threatening traditional search. Google’s traditional search traffic had declined 3 percent by the end of 2012.
Via Brian Yanish - MarketingHits.com