This week marks the opening of MarketingSherpa’s Eighth Annual Search Engine Marketing Benchmark Survey (Editor’s Note: MarketingSherpa is the sister company of MarektingExperiments). In putting this together, I found myself rereading last year’s report. Once again, I was particularly struck by marketers’ perceptions of mobile search. We surveyed more than 2,000 marketers regarding the impact of mobile search on their businesses. Interestingly, more than half stated that mobile search has no impact. .......