How does the use of custom events within the Facebook Pixel fundamentally improve the accuracy of campaign performance measurement compared to relying solely on standard events?

Custom events within the Facebook Pixel significantly improve campaign performance measurement accuracy by providing granular tracking of specific user actions beyond the standard events (like 'PageView' or 'Purchase'). 'Standard events' are pre-defined by Facebook and track common actions, but they lack the specificity needed to fully understand complex user journeys or unique business goals. 'Custom events' are defined....