Illustration: Rebecca Zisser / Axios

It was an exciting week on all things Apple and Jeff Bezos, but here are some tech stories that might have slipped under your radar.

Catch up quick: Zuckerberg: How Facebook is now better prepared to fight election interference; Google’s location privacy practices are under investigation in Arizona; Walmart relaunches Jet with three-hour deliveries; Uber axed its logo; Seven Google employees quit over secretive search project in China.

Zuckerberg: How Facebook is now better prepared to fight election interference

  • Why it matters: After initially denying Facebook's role in the 2016 U.S. presidential election, Facebook's CEO outlined on Wednesday night how the company has learned from its mistakes, adding it's already stopped meddling attempts in a number of elections.

Google's search engine for China: Seven employees quit; Google built a prototype

  • Why it matters: The departures follow the controversial revelation of Google’s work on Project Dragonfly, a censored search engine that would let it serve China again. The former employees cite a lack of transparency from the company as the reason for leaving. Meanwhile, Google has reportedly built a prototype that links a user's searches to their phone number, which could make them a target of the government.

Walmart relaunches Jet with three-hour deliveries

  • Why it matters: Walmart continues to battle rival Amazon, this time with a new version of Jet.com, which it bought in 2016. The new Jet.com is aimed at shoppers in large urban cities, letting them order via voice commands with Siri and offering three-hour delivery. Walmart also announced this week its acquisition of Cornershop, an on-demand grocery delivery service in Mexico and Chile.

Uber gets a new logo

  • Why it matters: The rebranding, which includes new colors, typeface and app layout, is to better match the company's expanding transportation options, it says. Uber is also still working to redeem its public image.

Google’s location privacy practices are under investigation in Arizona

  • Why it matters: Google mobile services reportedly continue to track users when they think they've turned location tracking off, causing new privacy concerns about the company.

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Biden's doctrine: Erase Trump, re-embrace the world

Photo illustration: Sarah Grillo/Axios. Photo: Bastiaan Slabbers/NurPhoto, and Bastiaan Slabbers/NurPhoto via Getty Images

Foreign policy will look drastically different if Joe Biden defeats President Trump in November, advisers tell Axios — starting with a Day One announcement that the U.S. is re-entering the Paris Climate Agreement and new global coordination of the coronavirus response.

The big picture: If Trump's presidency started the "America First" era of withdrawal from global alliances, Biden's team says his presidency would be the opposite: a re-engagement with the world and an effort to rebuild those alliances — fast.

Robert Mueller speaks out on Roger Stone commutation

Former Special Counsel Robert Mueller testifies before the House Permanent Select Committee on Intelligence on Capitol Hill on Wednesday July 24, 2019. Photo: The Washington Post / Contributor

Former special counsel Robert Mueller responded to claims from President Trump and his allies that Roger Stone was a "victim" in the Justice Department's investigation into Russian interference in the 2016 election, writing in a Washington Post op-ed published Saturday: "He remains a convicted felon, and rightly so."

Why it matters: The rare public comments by Mueller come on the heels of President Trump's move to commute the sentence of his longtime associate, who was sentenced in February to 40 months in prison for crimes stemming from the Russia investigation. The controversial decision brought an abrupt end to the possibility of Stone spending time behind bars.

Trump dons face mask during Walter Reed visit

Trump wearing a face mask in Walter Reed National Military Medical Center on July 11. Photo: Alex Edelman/AFP via Getty Images

President Trump wore a face mask during his Saturday visit to Walter Reed National Military Medical Center, according to AP.

Why it matters: This is the first known occasion the president has appeared publicly with a facial covering as recommended by health officials since the coronavirus pandemic began, AP writes.