The year in tech: Space tourism lifts off, NFTs go mainstream and Big Tech faces reckoning

What a year it's been for the tech sector in 2021. The biggest tech news of 2021.

Over the past year, routine space tourism emerged from science fiction to reality, digital art you can't even touch auctioned for millions at Christie's, and malicious attacks emanating from cyberspace crippled real-world critical infrastructure in the U.S.

The technology industry unceasingly shaped the way Americans lived in 2021, embedding its brands and tools into intimate parts of daily life as the ongoing pandemic further normalized virtual work, school and socializing.

The promises of tech's ability to make our lives easier and more efficient continued to drive U.S. economic growth in the shadow of the relentless health crisis, but also exposed new pitfalls as more Americans lived their lives in a digital world where misinformation on everything from elections to vaccines thrives. This manifested off-the-screen in ominous ways during 2021, including an unprecedented post-election riot at the U.S. Capitol on Jan. 6 and an "anti-vax" movement that has prolonged the suffering wrought by the COVID-19 pandemic.

The gatekeepers of Big Tech saw their net worth surge over the past year, but also endured a year of major shakeups: from Jeff Bezos stepping down as Amazon CEO, to a scandal-plagued Facebook rebranding as Meta, to Jack Dorsey resigning from Twitter. The mounting power of tech giants also came under renewed scrutiny -- albeit accompanied by little action -- from lawmakers on both sides of the aisle.