This document summarizes key online advertising trends from April to June 2012. It finds that while click volumes and costs increased year-over-year in the US, click-through rates were maintained. Google maintained its majority share of search traffic and spending. Exact matching of keywords grew and improved metrics over broad matching. Performance varied by industry, with trends shown for auto, business to business, education, finance, healthcare, retail, and travel. Targeting of mobile devices like smartphones and tablets is showing promise as their use increases.