Our Client PPC Associates was featured in AdExchanger, using their expertise to provide insight into the future of twitter and its ad targeting features. Speaking on behalf of PPC was Andrew Foxwell, Director of Social. PPC is a digital marketing agency headquartered in Silicon Valley.  The company offers full-service marketing inlcuding ROI-focused SEM and PPC, display advertising, Facebook advertising, mobile advertising, retargeting, and Twitter advertising.