Cliff Effect: In digital marketing, the “Cliff Effect” refers to a sudden and significant drop in the performance of a marketing campaign. This typically occurs when a campaign hits a certain threshold or limit, such as budget exhaustion, bid adjustments, or audience saturation, leading to a steep decline in results such as conversions, click-through rates, or engagement levels. Understanding and anticipating the Cliff Effect can help marketers adjust strategies proactively to maintain campaign effectiveness.