The back history is that the datafeed providers who fed to the comparison shopping engines (CSEs) also fed to the free Google Product Search program (which subsequently became PLAs). Continue reading
The Google SERP now presents three types of formats when someone searches for a product: Organic, PLAs, and Non-Brand Text Ads. These same three options have existed for a few years, but the PLAs used to be buried below the fold and were called Product Search (and Froogle, a really long time ago).
All search marketers know that visibility drives volume, and with PLAs now showing at the top of the page and non-brand text pushed below the fold, clicks to the image-friendly PLAs have soared; whereas, clicks to non-brand text ads are on the decline. Continue reading