What is Block, Jack Dorsey’s firm that laid off 4,000 people due to AI? | Block’s shares surged after layoffs | Inshorts InshortsBlock lays off nearly half its staff because of AI. Its CEO said most companies will do the same CNNAI skills don’t guarantee your job. Just ask these laid-off Block employees. Business InsiderJack Dorsey lays off 4,000, says others will do same ‘within the next year’ SFGATEBlock shares soar as much as 24% as company slashes workforce by nearly half CNBC