Lauren owns a spa and is contemplating whether to eliminate facials from her menu of services. To decide, she asked a few customers their opinion. But these particular customers never had a facial before, so they told Lauren to eliminate this service. And she did. What general principle did Lauren fail to follow in trying to measure performance

Universal containers(us) has an integration with its accounting system that creates tens of thousands of orders inside salesforce in a nightly batch. us wants to add automation that can attempt to match leads and contacts to these orders using the email address field on the insert. us is concerned about the performance of the automation with a large data volume. which tool should uc use to automate this process?