Mario Tama, Getty Images
In this month alone, she's hoovered up four companies. Since she took over a year ago, she's bought 18 different companies, according to Wikipedia. (We checked Wikipedia against Yahoo's official Twitter feed which announced all the deals.)
Her old company, Google, was a prolific acquirer, which must have been an influence over her style.
We've assembled the companies here to try to make some sense of her scattershot approach to rebuilding Yahoo.
If you look closely, you can see a pattern.