Google recently changed its search algorithms that may affect marketers, retailers, publishers and service providers. Here are 10 tweaks designed to keep Google and legitimate marketers steps ahead of those who game the system.

That question should be legitimate to ask as more retailers such as fast food giants Pizza Hut and Papa John’s generate record sales from mobile customers.

Papa John’s and Starbucks are advertising on GeoVector Corp.’s World Surfer application on the iPhone and Android platforms.