We're all quick to acknowledge how important our websites are. But how many of us are now saying that our mobile website is even more Inbound Call Trackingimportant? There's good reason to make that statement: in the U.S. alone we will top 200 million smartphone users by 2017, and we are only recently seeing just how much advertisers are recognizing this growth. They are making investments where their customers are: in mobile search. How do we know this? This year – for the first time ever – mobile search ad spend will surpass that of desktop. And within three years there will be over 73 billion calls made to these businesses from mobile search. Marketers know they can't ignore the calls that will be coming into their businesses.