Which statement best describes the purpose of A/B Testing on a cadence?
1) A/B Testing is used to compare the performance of two different versions of a cadence.
2) A/B Testing is used to determine the optimal timing for sending a cadence.
3) A/B Testing is used to analyze the impact of different subject lines on the open rate of a cadence.
4) A/B Testing is used to measure the effectiveness of different call-to-action buttons in a cadence.
