Aside from perhaps the most unfortunate acronym in the industry, do single keyword ad groups (SKAGs) have a role in modern paid search? For many years, single keyword ad groups were the hallmark of good PPC strategy. And aside from a slight feeling of unease when saying the word, SKAGs appeared to offer much. In simple words, this was the practice of placing single keywords in an ad group, instead of a small group of closely themed keywords. This provided…