What is Block, Jack Dorsey’s firm that laid off 4,000 people due to AI? | Block’s shares surged after layoffs | Inshorts InshortsJack Dorsey’s Block cuts thousands of jobs as it embraces AI BBCJack Dorsey to cut 4,000 jobs due to AI advances at Square parent Block The GuardianBlock shares soar as much as 24% as company slashes workforce by nearly half CNBCBlock lays off nearly half its staff because of AI. Its CEO said most companies will do the same CNN