Final Answer:
To compare consumer interest for "how to contour" in today's market with that of a year ago, Cate should use a keyword research tool, such as Goo-gle Trends or similar analytics platforms.
Step-by-step explanation:
Cate should leverage a keyword research tool to analyze the search volume and trends associated with the query "how to contour" over time. Goo-gle Trends, for instance, provides data on the popularity of a search term over different periods, allowing Cate to compare consumer interest today with that of a year ago.
The tool visualizes the search interest graphically, indicating spikes or declines in interest. This information helps Cate understand whether "how to contour" has gained or lost popularity over the specified period, guiding her in adapting marketing strategies accordingly.
The correct approach is to use a keyword research tool.