Today on PPC Rockstars David is joined by Mark Irvine. Mark is chiefly responsible for creating WordStream’s data-driven industry research, analyzing data and spotting trends within AdWords, Google Analytics, Bing Ads, and Facebook. Mark regularly publishes on the Wordstream blog whenever a new ad format, feature, or major change to the SERP is announced. He regularly presents his research on trends in the SEM industry on webinars and at conferences around the country, such as SMX and Pubcon. His work has also been featured on CNET and CNN. In 2016, Mark was named one of the 15 most influential PPC Experts in 2016 by PPC Hero.