Marketing · 14 min
Measuring what works
Some ads bring customers. Some only take the credit for customers who were coming anyway. Marketing teams test, track and turn things off to tell them apart. Here's how.
Ticket 01 · The guess
What did one small change earn?
Words to know
Sources and every number (1)
Sources
Every number
- 12%
hbr.org ·2017 · How much Bing's revenue went up from a small change to how ad headlines were shown, as the researchers who ran Bing's experiments reported in Harvard Business Review (2017). - $100M
hbr.org ·2017 · More than this a year, in the United States alone, from the same change, as reported in the same article.