Elon Musk's Twitter C-suite purge is nearly complete, just five days after assuming control.

• Twitter's chief customer officer Sarah Personette is leaving the company, joining the former CEO, CFO, general counsel and policy chief, Axios Media Trends author Sara Fischer reports.

Between the lines: Musk tweeted an open letter after meeting with Personette last week, assuring advertisers that Twitter wouldn't become a "free-for-all hellscape."

• Personette tried to reassure ad partners today while announcing her exit, saying Musk is committed to brand safety.
• "While uncertain how many there would be, I spent my last few days at the company continuing that commitment," Personette tweeted.

Musk's latest Twitter bio: "Twitter Complaint Hotline Operator"

Takeoff, the rapper who was one-third of the Grammy-nominated group Migos, was shot and killed in Houston early this morning.

• He was 28, Axios' Madalyn Mendoza reports.

The big picture: Takeoff — whose real name was Kirshnik Khari Ball — was the youngest member of the rap group formed in 2008 in Georgia, their home state.

• The group is responsible for hits like "Stir Fry," "Bad and Boujee" and "Walk It Talk It."

Go deeper ... Get Axios Houston.

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It's been a very big week for Taylor Swift, Axios' Shane Savitsky reports.

• She notched her 11th No. 1 album with "Midnights," the 13th-biggest first week of the modern tracking era.
• She swept the entirety of the Billboard Hot 100's top 10 for the first time in history. Her streaming numbers were so strong that she could have pulled off that feat without any sales or airplay.

What's next: This morning, she announced a 27-date U.S. stadium tour leg for next year.

• The money at stake is massive: The 38 domestic shows in her 2018 Reputation Tour grossed a record $266.1 million, per Billboard.