This document provides questions that performance marketers should ask themselves in 2021 to stay relevant in the evolving digital marketing field. It suggests examining best practices like optimizing product title structures for different categories in Google Shopping and testing different title formats. It also recommends evaluating one's search campaign structure and whether it can be simplified now that Smart Bidding optimizes bids at the query level. The document advises assessing where one's business falls on the ROI curve and looking at what percentage of transactions may be missed due to tracking restrictions as privacy policies change. Finally, it proposes segments like location, devices and audiences that could be used to adjust conversion values.