The streaming service's fourth quarter earnings showed stronger than projected subscriber growth, a sign that the introduction of a low-priced ad tier brought in more users.
Walmart, which uses Microsoft Azure and Google Cloud in addition to its own private data centers, brings in a networking veteran with a track record of disruption.
The Chinese fast-fashion retailer is in talks to raise between $1.5 billion and $3 billion from its existing investors and is reportedly exploring a push into payments.