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  • Sara Ashley O'Brien
    Writer, CNN Business

    Sara Ashley O'Brien is a senior writer for CNN Business, covering tech's highly-valued startups and their societal impact.

    Full Bio

  • uber driver investigation serious safety incidents griffin pkg vpx_00000113.jpg

    Stressed out and at risk: Inside Uber's special investigations unit

    Stressed out and at risk: Inside Uber's special investigations unit

  • Dog-walking startup Wag raised $300 million to unleash growth. Then things got messy

  • These startups raised billions and then laid off thousands. Workers are shocked and frustrated

  • Fear and a firing inside an Amazon warehouse

  • Some delivery workers have no choice but to bring their kids along during the pandemic

  • People are luring Instacart shoppers with big tips -- and then changing them to zero

  • CNN investigation: 103 Uber drivers accused of sexual assault or abuse

A driver wearing a protective face covering drives a car displaying Uber Technologies signage on California Street in San Francisco, California, U.S., on Monday, May 4, 2020. Lyft Inc. withdrew its profit and revenue forecasts for 2020, following rival Uber Technologies Inc. in citing evolving and unpredictable impacts from Covid-19.

Uber is recruiting drivers. Some existing drivers are upset

FILE - In this Tuesday, March 30, 2021 file photo, A banner encouraging workers to vote in labor balloting is shown at an Amazon warehouse in Bessemer, Ala. Nearly 6,000 Amazon warehouse workers in Bessemer, Alabama, have voted on whether or not to form a union. But the process to tally all the ballots and determine an outcome will continue for a second week, according to the National Labor Relations Board, a government agency that's conducting the election. (AP Photo/Jay Reeves, File)

Amazon union election results should be set aside, union argues to labor board

The invitation-only audio-chat social networking app clubhouse is pictured on a smartphone on January 26, 2021 in Berlin, Germany. (Photo by Thomas Trutschel/Photothek via Getty Images)

Clubhouse, an audio-only social app, has Twitter on alert

An RWDSU union rep holds a sign outside the Amazon fulfillment warehouse at the center of a unionization drive on March 29, 2021 in Bessemer, Alabama. (Photo by Elijah Nouvelage/Getty Images)

Amazon workers vote against union at Alabama warehouse

BESSEMER, AL - MARCH 29: The Amazon fulfillment warehouse at the center of a unionization drive is seen on March 29, 2021 in Bessemer, Alabama. Employees at the fulfillment center are currently voting on whether to form a union, a decision that could have national repercussions. (Photo by Elijah Nouvelage/Getty Images)

Amazon defeated the union vote. What happens next?