Cars.com is seeing 15 percent of its total traffic coming from mobile devices. As Sharon Knitter, Senior Director, Consumer Products, says in the below interview, “that’s huge.”

The site is taking an all-hands-on-deck approach to mobile, and Sharon is heading that effort with the guiding principle that it’s all about usability and functionality. One of the biggest challenges in going mobile, she says, is to be disciplined about what’s included and to “be your own editor.” At Cars.com, a big part of building a mobile presence is about evolving and understanding what defines mobile; it’s not so cut-and-dry as iPod vs. Blackberry. There’s a lot more to it and here, she explains why.

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