As browser restrictions limit identifiers, PPC measurement relies more on redundancy, modeling, and inference than perfect tracking.

The most effective PPC professionals act as growth consultants, using advertising to solve real business problems rather than chase platform metrics.

Most PPC accounts stall because teams focus on the wrong work. Learn how to identify the bottleneck limiting growth.

Data-driven attribution and smart bidding are no longer optional when targeting a generation that loops between video, social proof, and search before converting.

How did William rule England? Although William of Normandy had become king after the Battle of Hastings, not everyone supported him. William built many castles of different kinds all over England. The ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...

Cognitive control is the process by which goals or plans influence behaviour. Also called executive control, this process can inhibit automatic responses and influence working memory. Cognitive ...